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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.

Printable Periodic Table of the Elements

Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.

Element List

Here's a list of chemical elements ordered by increasing atomic number. The names and element symbols are provided.

Periodic Table of the Elements - Element Pictures

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.

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.

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.

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.

Alphabetical List of Elements

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.

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.

Free Periodic Table of the Elements

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.

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.

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.

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.

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.

Element Symbols Not in Use

This is a list of element symbols and names that are placeholders for final names or else are no longer in use.

Alchemy Symbols

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.

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.

Actinide Properties

The actinides share common properties, distinct from other rare earth elements.

Alkali Metal Properties

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.

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.

Element Color Quiz

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.

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.

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.

Elements Named for People - Element Eponyms

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.

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?

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.

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.

Halogen 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.

How Are New Elements Discovered?

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.

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.

Lanthanide Properties

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?

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.

Metalloid or Semimetal Properties

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.

Noble Gas Properties

Get information about the properties shared by the noble or inert gases.

Nonmetal Properties

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.

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.

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.

Rare Earth Properties

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.

Toxic Elements

Here's a list of elements that are toxic or poisonous and have no known nutritional value.

Transition Metal Properties

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.

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.

What Is 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...

Which Element Are You?

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.

10 Carbon Facts

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.

10 Nitrogen Facts

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.

Aluminum or Aluminium Facts

Learn about the element aluminum or aluminium.

Antimony Facts

Learn about the characteristics of the element antimony.

Argon Facts

Learn about the element argon.

Arsenic Facts

Learn about the characteristics of the element arsenic.

Barium Facts

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.

Boron Facts

Learn about the chemical and physical properties of the element boron.

Bromine Facts

Learn about the characteristics of the element bromine.

Cadmium Facts

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.

Carbon Facts

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.

Chlorine Facts

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.

Cobalt Facts

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.

Copper Facts

Learn about the chemical and physical properties of the element copper.

Fluorine Facts

Learn about the chemical and physical properties of the element fluorine.

Gallium Facts

Learn about the characteristics of the element gallium.

Germanium Facts

Learn about the characteristics of the element germanium.

Gold Facts

Learn about the properties and characteristics of the element gold.

Hafnium Facts

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.

Hydrargyrum Facts

Learn about the properties and characteristics of the element hydrargyrum.

Hydrogen Facts

Learn about the chemical and physical properties of the element hydrogen.

Indium Facts

Learn about the characteristics of the element indium.

Iodine Facts

Learn about the characteristics of the element iodine.

Iridium Facts

Learn about the properties and characteristics of the element iridium.

Iron Facts

Learn about the chemical and physical properties of the element iron.

Krypton Facts

Learn about the characteristics of the element krypton.

Lanthanum Facts

Get facts about the chemical and physical properties of the element lanthanum.

Lead Facts

Learn about the properties and characteristics of the element lead.

Lithium Facts

Learn about the chemical and physical properties of the element lithium.

Magnesium Facts

Learn about the element magnesium.

Manganese Facts

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.

Mercury Facts

Learn about the properties and characteristics of the element mercury.

Molybdenum Facts

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.

Nickel Facts

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.

Nitrogen / Azote Facts

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.

Oxygen Facts

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.

Phosphorus Facts

Learn about the element phosphorus.

Platinum Facts

Learn about the properties and characteristics of the element platinum.

Plumbum Facts

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.

Rhenium Facts

Learn about the properties and characteristics of the element rhenium.

Rhodium Facts

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.

Ruthenium Facts

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.

Selenium Facts

Learn about the characteristics of the element selenium.

Silicon Facts

Learn about the element silicon.

Silver Facts

Learn about the characteristics of the element silver.

Sodium Facts

Learn about the element sodium or natrium.

Sulfur Facts

Learn about the element sulfur or sulphur.

Strontium Facts

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.

Technetium Facts

Get facts about the chemical and physical properties of the element technetium.

Tellurium Facts

Learn about the characteristics of the element tellurium.

Thallium Facts

Learn about the properties and characteristics of the element thallium.

Tin Facts

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.

Tungsten Facts

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.

Wolfram Facts

Get facts about the chemical and physical properties of the element wolfram.

Xenon Facts

Learn about the characteristics of the element xenon.

Yttrium Facts

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.

Zirconium Facts

Learn about the chemical and physical properties and other characteristics of the element zirconium.

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