Periodic Table & The Elements
Get facts for the elements. You'll find information about the chemical and physical properties of all of the elements, periodic tables, element games & quizzes, tables of data, and element articles.
Periodic Table of the Elements
Click on an element's symbol to get facts about its discovery, word origin, isotopes, properties, uses, and sources.
Click on an element's symbol to get facts about its discovery, word origin, isotopes, properties, uses, and sources.
Printable Periodic Table of the Elements
Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.
Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.
Element Photo Gallery
This is a collection of photographs of the chemical elements. The images are public domain, so you are welcome to download and use them.
This is a collection of photographs of the chemical elements. The images are public domain, so you are welcome to download and use them.
Element List
Here's a list of chemical elements ordered by increasing atomic number. The names and element symbols are provided.
Here's a list of chemical elements ordered by increasing atomic number. The names and element symbols are provided.
Javascript Periodic Table of the Elements
This is an interactive javascript periodic table of the elements. Click on an symbol on the periodic table to get facts about the element.
This is an interactive javascript periodic table of the elements. Click on an symbol on the periodic table to get facts about the element.
Periodic Table Study Guide
Learn about the periodic table of the elements. Find out about the history of the periodic table, how the elements are organized, and how to use the periodic table to predict the behavior of unfamiliar elements.
Learn about the periodic table of the elements. Find out about the history of the periodic table, how the elements are organized, and how to use the periodic table to predict the behavior of unfamiliar elements.
Alphabetical List of Elements
Here's a list of the elements, in alphabetical order according to their IUPAC names.
Here's a list of the elements, in alphabetical order according to their IUPAC names.
Atomic Weights of the Elements
This is the list of the atomic weights of the elements (2007 IUPAC-accepted values). Elements are listed in order of increasing atomic number.
This is the list of the atomic weights of the elements (2007 IUPAC-accepted values). Elements are listed in order of increasing atomic number.
Periodic Table of the Elements for Kids
This table was made with kids and homework in mind. It includes element groups and periods, element symbols, atomic numbers, atomic weights, and links to detailed facts for each element.
This table was made with kids and homework in mind. It includes element groups and periods, element symbols, atomic numbers, atomic weights, and links to detailed facts for each element.
Free Periodic Table of the Elements
This is a public domain periodic table of the elements that you can freely use and print.
This is a public domain periodic table of the elements that you can freely use and print.
Mendeleev's Periodic Table of the Elements
This is the English translation of Dmitri Mendeleev's periodic table of the elements.
This is the English translation of Dmitri Mendeleev's periodic table of the elements.
Mendeleev's Periodic Table of the Elements
See what Dmitri Mendeleev's original periodic table of the elements looked like. Blank spaces predict the existence of elements that hadn't been discovered.
See what Dmitri Mendeleev's original periodic table of the elements looked like. Blank spaces predict the existence of elements that hadn't been discovered.
Introduction to the Periodic Table
Learn how the periodic table of the elements is structured. Get basic history about its development and learn how periods and groups relate to electrons and atomic mass.
Learn how the periodic table of the elements is structured. Get basic history about its development and learn how periods and groups relate to electrons and atomic mass.
Element Photos
You probably know what elemental carbon looks like (think diamond or graphite), but you might not know what indium or cadmium look like. Here's an index of photographs of the elements to help you out. Ores are included.
You probably know what elemental carbon looks like (think diamond or graphite), but you might not know what indium or cadmium look like. Here's an index of photographs of the elements to help you out. Ores are included.
Element of the Week E-Course
Learn about the elements! When you sign up you'll get one e-course newsletter a week until you've gotten them all. You'll get facts about the elements and related information about element uses and their impact on our lives.
Learn about the elements! When you sign up you'll get one e-course newsletter a week until you've gotten them all. You'll get facts about the elements and related information about element uses and their impact on our lives.
Alchemy Symbols
See the alchemical symbols for the chemical elements.
See the alchemical symbols for the chemical elements.
Elements in the Human Body
Find out what elements are in the human body and what these elements do.
Find out what elements are in the human body and what these elements do.
Basic Model of the Atom
Are you confused about atoms, elements, protons, neutrons, electrons, isotopes, and ions? Here's a basic look at the model of the atom. It's a great overview for kids or anyone looking to grasp the essentials of atomic theory.
Are you confused about atoms, elements, protons, neutrons, electrons, isotopes, and ions? Here's a basic look at the model of the atom. It's a great overview for kids or anyone looking to grasp the essentials of atomic theory.
Actinide Properties
The actinides share common properties, distinct from other rare earth elements.
The actinides share common properties, distinct from other rare earth elements.
Alkali Metal Properties
Learn about the common properties shared by the alkali metals.
Learn about the common properties shared by the alkali metals.
Alkaline Earth Properties
The alkaline earths possess the properties shared by all metals, but they have characteristics common to their own group as well.
The alkaline earths possess the properties shared by all metals, but they have characteristics common to their own group as well.
Element Atomic Number Quiz
The atomic number of an element is the same as its number of protons. The atomic number determines an element's order in the periodic table. Do you know the numbers of the first few elements? Here's your chance to test yourself, while learning some facts about the elements, too.
The atomic number of an element is the same as its number of protons. The atomic number determines an element's order in the periodic table. Do you know the numbers of the first few elements? Here's your chance to test yourself, while learning some facts about the elements, too.
Element Color Quiz
Do you know the colors of the chemical elements? Here's a fun multiple choice quiz designed to test your knowledge.
Do you know the colors of the chemical elements? Here's a fun multiple choice quiz designed to test your knowledge.
Element Symbols
It's easier to navigate the periodic table and write chemical equations and formulae once you know the symbols for the elements. Here's an alphabetical list of element symbols with corresponding element names.
It's easier to navigate the periodic table and write chemical equations and formulae once you know the symbols for the elements. Here's an alphabetical list of element symbols with corresponding element names.
Element Mnemonic Device
Here's a handy mnemonic device to help memorize the symbols and sequence of the first nine elements in the periodic table.
Here's a handy mnemonic device to help memorize the symbols and sequence of the first nine elements in the periodic table.
Elements Listed by Density
See the order of the chemical elements according to their density (mass per unit volume), from least dense to most dense.
See the order of the chemical elements according to their density (mass per unit volume), from least dense to most dense.
Elements Named for People - Element Eponyms
Alphabetical list of the chemical elements named after people.
Alphabetical list of the chemical elements named after people.
Elements Named for Places - Element Toponyms
Alphabetical list of elements in chemistry named for places or element toponyms.
Alphabetical list of elements in chemistry named for places or element toponyms.
Element Names Spelling Quiz
It's easy to understand how people get confused over the spelling of element names like sulfur, which the IUPAC changed from sulphur (a common spelling still used in some countries). Other element names are just harder to spell. Do you know them all?
It's easy to understand how people get confused over the spelling of element names like sulfur, which the IUPAC changed from sulphur (a common spelling still used in some countries). Other element names are just harder to spell. Do you know them all?
Firework Periodic Table
Use this special periodic table to find out what elements are found in fireworks and how they are used. Just click on an element to learn more.
Use this special periodic table to find out what elements are found in fireworks and how they are used. Just click on an element to learn more.
Groups of Elements - Periodic Table
Elements can be categorized according to their similar properties. Here's a periodic table that organizes the elements according to groups. Click an element symbol and learn about the group to which it belongs.
Elements can be categorized according to their similar properties. Here's a periodic table that organizes the elements according to groups. Click an element symbol and learn about the group to which it belongs.
Halogen Properties
The halogens are a specific group of nonmetals with some distinctive properties.
The halogens are a specific group of nonmetals with some distinctive properties.
How Are Elements Named?
Have you ever wondered how the elements are named or why some elements have more than one name? Here's the answer to your question.
Have you ever wondered how the elements are named or why some elements have more than one name? Here's the answer to your question.
How Are New Elements Discovered?
Find out if there are any elements left to be discovered and how they would be found.
Find out if there are any elements left to be discovered and how they would be found.
Increasing Atomic Number Doesn't Always Increase Atomic Mass
Learn why sometimes increasing the atomic number of an element doesn't necessarily increase its atomic mass.
Learn why sometimes increasing the atomic number of an element doesn't necessarily increase its atomic mass.
Ions, Isotopes, Atoms Quiz
If you're given the nuclear symbol for an element, can you identify how many protons and neutrons it has? If you see an ion symbol, do you know how many electrons are present? Here's your chance to test yourself.
If you're given the nuclear symbol for an element, can you identify how many protons and neutrons it has? If you see an ion symbol, do you know how many electrons are present? Here's your chance to test yourself.
Lanthanide Properties
Learn about the characteristics of the lanthanide series, one of the rare earth groups.
Learn about the characteristics of the lanthanide series, one of the rare earth groups.
Liquid Elements
There are six chemical elements that can be liquids at normal temperatures and pressures. Can you name them?
There are six chemical elements that can be liquids at normal temperatures and pressures. Can you name them?
Metal Properties
Most of the chemical elements are metals of one variety or another. Learn about some of the properties common to this large element group.
Most of the chemical elements are metals of one variety or another. Learn about some of the properties common to this large element group.
Metalloid or Semimetal Properties
The metalloids or semimetals share some of the properties of metals and some of the properties of nonmentals.
The metalloids or semimetals share some of the properties of metals and some of the properties of nonmentals.
Nitrogen Cycle
Learn about the processes involved in the nitrogen cycle, the biochemical cycle that describes the transformations of nitrogen as it goes through nature.
Learn about the processes involved in the nitrogen cycle, the biochemical cycle that describes the transformations of nitrogen as it goes through nature.
Noble Gas Properties
Get information about the properties shared by the noble or inert gases.
Get information about the properties shared by the noble or inert gases.
Nonmetal Properties
Get information about the common characteristics of the nonmetals.
Get information about the common characteristics of the nonmetals.
Periodic Properties of the Elements
Learn about the periodic properties or trends in the periodic table of the elements.
Learn about the periodic properties or trends in the periodic table of the elements.
Periodic Table Trends - Periodic Table Quiz
Do you understand the trends of periodic table periodicity? Here's a ten question multiple choice quiz you can take to test your knowledge.
Do you understand the trends of periodic table periodicity? Here's a ten question multiple choice quiz you can take to test your knowledge.
Periodic Tables
Download and print a periodic table or take a look at other types of periodic tables, including Mendeleev's original periodic table of the elements.
Download and print a periodic table or take a look at other types of periodic tables, including Mendeleev's original periodic table of the elements.
Rare Earth Properties
Learn about the common properties of the rare earths, which include the lanthanide and actinide series of elements.
Learn about the common properties of the rare earths, which include the lanthanide and actinide series of elements.
Timeline of Element Discovery
Use this table to look up the date an element was discovered and the name(s) of its discoverer. Links to additional element facts are provided, too.
Use this table to look up the date an element was discovered and the name(s) of its discoverer. Links to additional element facts are provided, too.
Transition Metal Properties
Get facts about the transition elements.
Get facts about the transition elements.
Trends in the Periodic Table
Learn about the periodic properties or trends in the periodic table of the elements.
Learn about the periodic properties or trends in the periodic table of the elements.
What Are the Elements in the Human Body?
Do you know the chemical composition of the human body? Here's the list of elements, given in percentage according to weight.
Do you know the chemical composition of the human body? Here's the list of elements, given in percentage according to weight.
What Is a Chemical Element?
Get the definition for a chemical element.
Get the definition for a chemical element.
What Is the Most Abundant Element?
The elemental composition of the universe and the earth's crust are very different! How different? Take a look...
The elemental composition of the universe and the earth's crust are very different! How different? Take a look...
10 Carbon Facts
Learn some interesting facts about carbon, the element that is the basis for organic chemistry.
Learn some interesting facts about carbon, the element that is the basis for organic chemistry.
10 Oxygen Facts
Learn some interesting facts about the element oxygen.
Learn some interesting facts about the element oxygen.
10 Nitrogen Facts
Get handy facts for the element nitrogen.
Get handy facts for the element nitrogen.
10 Polonium Facts
Before Russian ex-spy Alexander Litvinenko was poisoned with polonium, few people had even heard of it. Here are ten facts about this interesting element.
Before Russian ex-spy Alexander Litvinenko was poisoned with polonium, few people had even heard of it. Here are ten facts about this interesting element.
Aluminum or Aluminium Facts
Learn about the element aluminum or aluminium.
Learn about the element aluminum or aluminium.
Antimony Facts
Learn about the characteristics of the element antimony.
Learn about the characteristics of the element antimony.
Argon Facts
Learn about the element argon.
Learn about the element argon.
Arsenic Facts
Learn about the characteristics of the element arsenic.
Learn about the characteristics of the element arsenic.
Barium Facts
Get facts about the chemical and physical properties of the element barium.
Get facts about the chemical and physical properties of the element barium.
Beryllium Facts
Learn about the chemical and physical properties of the element beryllium.
Learn about the chemical and physical properties of the element beryllium.
Boron Facts
Learn about the chemical and physical properties of the element boron.
Learn about the chemical and physical properties of the element boron.
Bromine Facts
Learn about the characteristics of the element bromine.
Learn about the characteristics of the element bromine.
Cadmium Facts
Learn about the characteristics of the element cadmium.
Learn about the characteristics of the element cadmium.
Calcium Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element calcium.
Get information about the atomic number, symbol, properties, and other characteristics of the element calcium.
Carbon Facts
Learn about the chemical and physical properties of the element carbon.
Learn about the chemical and physical properties of the element carbon.
Cesium Facts
Get facts about the chemical and physical properties of the element cesium.
Get facts about the chemical and physical properties of the element cesium.
Chlorine Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element chlorine.
Get information about the atomic number, symbol, properties, and other characteristics of the element chlorine.
Chromium Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element chromium.
Get information about the atomic number, symbol, properties, and other characteristics of the element chromium.
Cobalt Facts
Learn about the chemical and physical properties of the element cobalt.
Learn about the chemical and physical properties of the element cobalt.
Columbium Facts
Learn about the chemical and physical properties and other characteristics of the element columbium.
Learn about the chemical and physical properties and other characteristics of the element columbium.
Copper Facts
Learn about the chemical and physical properties of the element copper.
Learn about the chemical and physical properties of the element copper.
Fluorine Facts
Learn about the chemical and physical properties of the element fluorine.
Learn about the chemical and physical properties of the element fluorine.
Gallium Facts
Learn about the characteristics of the element gallium.
Learn about the characteristics of the element gallium.
Germanium Facts
Learn about the characteristics of the element germanium.
Learn about the characteristics of the element germanium.
Gold Facts
Learn about the properties and characteristics of the element gold.
Learn about the properties and characteristics of the element gold.
Hafnium Facts
Get facts about the chemical and physical properties of the element hafnium.
Get facts about the chemical and physical properties of the element hafnium.
Helium Facts
Learn about the chemical and physical properties of the element helium.
Learn about the chemical and physical properties of the element helium.
Hydrargyrum Facts
Learn about the properties and characteristics of the element hydrargyrum.
Learn about the properties and characteristics of the element hydrargyrum.
Hydrogen Facts
Learn about the chemical and physical properties of the element hydrogen.
Learn about the chemical and physical properties of the element hydrogen.
Indium Facts
Learn about the characteristics of the element indium.
Learn about the characteristics of the element indium.
Iodine Facts
Learn about the characteristics of the element iodine.
Learn about the characteristics of the element iodine.
Iridium Facts
Learn about the properties and characteristics of the element iridium.
Learn about the properties and characteristics of the element iridium.
Iron Facts
Learn about the chemical and physical properties of the element iron.
Learn about the chemical and physical properties of the element iron.
Krypton Facts
Learn about the characteristics of the element krypton.
Learn about the characteristics of the element krypton.
Lanthanum Facts
Get facts about the chemical and physical properties of the element lanthanum.
Get facts about the chemical and physical properties of the element lanthanum.
Lead Facts
Learn about the properties and characteristics of the element lead.
Learn about the properties and characteristics of the element lead.
Lithium Facts
Learn about the chemical and physical properties of the element lithium.
Learn about the chemical and physical properties of the element lithium.
Magnesium Facts
Learn about the element magnesium.
Learn about the element magnesium.
Manganese Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element manganese.
Get information about the atomic number, symbol, properties, and other characteristics of the element manganese.
Masurium Facts
Get facts about the chemical and physical properties of the element masurium.
Get facts about the chemical and physical properties of the element masurium.
Mercury Facts
Learn about the properties and characteristics of the element mercury.
Learn about the properties and characteristics of the element mercury.
Molybdenum Facts
Get facts about the chemical and physical properties of the element molybdenum.
Get facts about the chemical and physical properties of the element molybdenum.
Neon Facts
Learn about the chemical and physical properties of the element neon.
Learn about the chemical and physical properties of the element neon.
Nickel Facts
Learn about the chemical and physical properties of the element nickel.
Learn about the chemical and physical properties of the element nickel.
Niobium Facts
Learn about the chemical and physical properties and other characteristics of the element niobium.
Learn about the chemical and physical properties and other characteristics of the element niobium.
Nitrogen / Azote Facts
Learn about the chemical and physical properties of the element nitrogen or azote.
Learn about the chemical and physical properties of the element nitrogen or azote.
Osmium Facts
Learn about the properties and characteristics of the element osmium.
Learn about the properties and characteristics of the element osmium.
Oxygen Facts
Learn about the chemical and physical properties of the element oxygen.
Learn about the chemical and physical properties of the element oxygen.
Palladium Facts
Get facts about the chemical and physical properties of the element palladium.
Get facts about the chemical and physical properties of the element palladium.
Phosphorus Facts
Learn about the element phosphorus.
Learn about the element phosphorus.
Platinum Facts
Learn about the properties and characteristics of the element platinum.
Learn about the properties and characteristics of the element platinum.
Plumbum Facts
Learn about the properties and characteristics of the element plumbum.
Learn about the properties and characteristics of the element plumbum.
Potassium or Kalium Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element potassium or kalium.
Get information about the atomic number, symbol, properties, and other characteristics of the element potassium or kalium.
Rhenium Facts
Learn about the properties and characteristics of the element rhenium.
Learn about the properties and characteristics of the element rhenium.
Rhodium Facts
Get facts about the chemical and physical properties of the element rhodium.
Get facts about the chemical and physical properties of the element rhodium.
Rubidium Facts
Learn about the chemical and physical properties and other characteristics of the element rubidium.
Learn about the chemical and physical properties and other characteristics of the element rubidium.
Ruthenium Facts
Get facts about the chemical and physical properties of the element ruthenium.
Get facts about the chemical and physical properties of the element ruthenium.
Scandium Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element scandium.
Get information about the atomic number, symbol, properties, and other characteristics of the element scandium.
Selenium Facts
Learn about the characteristics of the element selenium.
Learn about the characteristics of the element selenium.
Silicon Facts
Learn about the element silicon.
Learn about the element silicon.
Silver Facts
Learn about the characteristics of the element silver.
Learn about the characteristics of the element silver.
Sodium Facts
Learn about the element sodium or natrium.
Learn about the element sodium or natrium.
Sulfur Facts
Learn about the element sulfur or sulphur.
Learn about the element sulfur or sulphur.
Strontium Facts
Learn about the chemical and physical properties and other characteristics of the element strontium.
Learn about the chemical and physical properties and other characteristics of the element strontium.
Tantalum Facts
Get facts about the chemical and physical properties of the element tantalum.
Get facts about the chemical and physical properties of the element tantalum.
Technetium Facts
Get facts about the chemical and physical properties of the element technetium.
Get facts about the chemical and physical properties of the element technetium.
Tellurium Facts
Learn about the characteristics of the element tellurium.
Learn about the characteristics of the element tellurium.
Thallium Facts
Learn about the properties and characteristics of the element thallium.
Learn about the properties and characteristics of the element thallium.
Tin Facts
Learn about the characteristics of the element tin.
Learn about the characteristics of the element tin.
Titanium Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element titanium.
Get information about the atomic number, symbol, properties, and other characteristics of the element titanium.
Tungsten Facts
Get facts about the chemical and physical properties of the element tungsten.
Get facts about the chemical and physical properties of the element tungsten.
Vanadium Facts
Get information about the atomic number, symbol, properties, and other characteristics of the element vanadium.
Get information about the atomic number, symbol, properties, and other characteristics of the element vanadium.
Wolfram Facts
Get facts about the chemical and physical properties of the element wolfram.
Get facts about the chemical and physical properties of the element wolfram.
Xenon Facts
Learn about the characteristics of the element xenon.
Learn about the characteristics of the element xenon.
Yttrium Facts
Learn about the chemical and physical properties and other characteristics of the element yttrium.
Learn about the chemical and physical properties and other characteristics of the element yttrium.
Zinc Facts
Learn about the chemical and physical properties of the element zinc.
Learn about the chemical and physical properties of the element zinc.
Zirconium Facts
Learn about the chemical and physical properties and other characteristics of the element zirconium.
Learn about the chemical and physical properties and other characteristics of the element zirconium.