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.
Click on an element's symbol to get facts about its discovery, word origin, isotopes, properties, uses, and sources.
Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.
Here's a list of chemical elements ordered by increasing atomic number. The names and element symbols are provided.
The purpose of this periodic table of the elements is to show you what each of the elements looks like. Click on an element symbol to see a picture of the element.
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.
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 an interactive javascript periodic table of the elements. Click on an symbol on the periodic table to get facts about the element.
Here's a list of the elements, in alphabetical order according to their IUPAC names.
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 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 is a public domain periodic table of the elements that you can freely use and print.
This is the English translation of Dmitri 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.
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.
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.
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.
This is a list of element symbols and names that are placeholders for final names or else are no longer in use.
See the alchemical symbols for the chemical elements.
Find out what elements are in the human body and what these elements do.
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.
The actinides share common properties, distinct from other rare earth elements.
Learn about the common properties shared by the alkali metals.
The alkaline earths possess the properties shared by all metals, but they have characteristics common to their own group as well.
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.
Do you know the colors of the chemical elements? Here's a fun multiple choice quiz designed to test your knowledge.
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.
Here's a handy mnemonic device to help memorize the symbols and sequence of the first nine elements in the periodic table.
See the order of the chemical elements according to their density (mass per unit volume), from least dense to most dense.
Alphabetical list of the chemical elements named after people.
Alphabetical list of elements in chemistry named for places or element toponyms.
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?
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.
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.
The halogens are a specific group of nonmetals with some distinctive properties.
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.
Find out if there are any elements left to be discovered and how they would be found.
Learn why sometimes increasing the atomic number of an element doesn't necessarily increase its atomic mass.
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.
Learn about the characteristics of the lanthanide series, one of the rare earth groups.
There are six chemical elements that can be liquids at normal temperatures and pressures. Can you name them?
Most of the chemical elements are metals of one variety or another. Learn about some of the properties common to this large element group.
The metalloids or semimetals share some of the properties of metals and some of the properties of nonmentals.
Learn about the processes involved in the nitrogen cycle, the biochemical cycle that describes the transformations of nitrogen as it goes through nature.
Get information about the properties shared by the noble or inert gases.
Get information about the common characteristics of the nonmetals.
Learn about the periodic properties or trends in the periodic table of the elements.
Do you understand the trends of periodic table periodicity? Here's a ten question multiple choice quiz you can take to test your knowledge.
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.
Learn about the common properties of the rare earths, which include the lanthanide and actinide series of elements.
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.
Here's a list of elements that are toxic or poisonous and have no known nutritional value.
Get facts about the transition elements.
Learn about the periodic properties or trends in the periodic table of the elements.
Do you know the chemical composition of the human body? Here's the list of elements, given in percentage according to weight.
Get the definition for a chemical element.
The elemental composition of the universe and the earth's crust are very different! How different? Take a look...
Which chemical element are you? Technically speaking, you mostly consist of carbon, hydrogen, and oxygen, but which element best represents your personality? Take this fun multiple choice quiz to find out.
Learn some interesting facts about carbon, the element that is the basis for organic chemistry.
Learn some interesting facts about the element oxygen.
Get handy facts for the element nitrogen.
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.
Learn about the element aluminum or aluminium.
Learn about the characteristics of the element antimony.
Learn about the element argon.
Learn about the characteristics of the element arsenic.
Get facts about the chemical and physical properties of the element barium.
Learn about the chemical and physical properties of the element beryllium.
Learn about the chemical and physical properties of the element boron.
Learn about the characteristics of the element bromine.
Learn about the characteristics of the element cadmium.
Get information about the atomic number, symbol, properties, and other characteristics of the element calcium.
Learn about the chemical and physical properties of the element carbon.
Get facts about the chemical and physical properties of the element cesium.
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 chromium.
Learn about the chemical and physical properties of the element cobalt.
Learn about the chemical and physical properties and other characteristics of the element columbium.
Learn about the chemical and physical properties of the element copper.
Learn about the chemical and physical properties of the element fluorine.
Learn about the characteristics of the element gallium.
Learn about the characteristics of the element germanium.
Learn about the properties and characteristics of the element gold.
Get facts about the chemical and physical properties of the element hafnium.
Learn about the chemical and physical properties of the element helium.
Learn about the properties and characteristics of the element hydrargyrum.
Learn about the chemical and physical properties of the element hydrogen.
Learn about the characteristics of the element indium.
Learn about the characteristics of the element iodine.
Learn about the properties and characteristics of the element iridium.
Learn about the chemical and physical properties of the element iron.
Learn about the characteristics of the element krypton.
Get facts about the chemical and physical properties of the element lanthanum.
Learn about the properties and characteristics of the element lead.
Learn about the chemical and physical properties of the element lithium.
Learn about the element magnesium.
Get information about the atomic number, symbol, properties, and other characteristics of the element manganese.
Get facts about the chemical and physical properties of the element masurium.
Learn about the properties and characteristics of the element mercury.
Get facts about the chemical and physical properties of the element molybdenum.
Learn about the chemical and physical properties of the element neon.
Learn about the chemical and physical properties of the element nickel.
Learn about the chemical and physical properties and other characteristics of the element niobium.
Learn about the chemical and physical properties of the element nitrogen or azote.
Learn about the properties and characteristics of the element osmium.
Learn about the chemical and physical properties of the element oxygen.
Get facts about the chemical and physical properties of the element palladium.
Learn about the element phosphorus.
Learn about the properties and characteristics of the element platinum.
Learn about the properties and characteristics of the element plumbum.
Get information about the atomic number, symbol, properties, and other characteristics of the element potassium or kalium.
Learn about the properties and characteristics of the element rhenium.
Get facts about the chemical and physical properties of the element rhodium.
Learn about the chemical and physical properties and other characteristics of the element rubidium.
Get facts about the chemical and physical properties of the element ruthenium.
Get information about the atomic number, symbol, properties, and other characteristics of the element scandium.
Learn about the characteristics of the element selenium.
Learn about the element silicon.
Learn about the characteristics of the element silver.
Learn about the element sodium or natrium.
Learn about the element sulfur or sulphur.
Learn about the chemical and physical properties and other characteristics of the element strontium.
Get facts about the chemical and physical properties of the element tantalum.
Get facts about the chemical and physical properties of the element technetium.
Learn about the characteristics of the element tellurium.
Learn about the properties and characteristics of the element thallium.
Learn about the characteristics of the element tin.
Get information about the atomic number, symbol, properties, and other characteristics of the element titanium.
Get facts about the chemical and physical properties of the element tungsten.
Get information about the atomic number, symbol, properties, and other characteristics of the element vanadium.
Get facts about the chemical and physical properties of the element wolfram.
Learn about the characteristics of the element xenon.
Learn about the chemical and physical properties and other characteristics of the element yttrium.
Learn about the chemical and physical properties of the element zinc.
Learn about the chemical and physical properties and other characteristics of the element zirconium.