Element Facts

Here's a list of the elements, in alphabetical order according to their IUPAC 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.

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 a collection of diagrams of atoms, showing the numbers of protons, neutrons, and electrons present in the atom or isotope of an element.

This table is a compilation of the electron configurations of the elements up through number 104. Tips for writing out stable configurations and for shorthand notation are included.

The valences aren't just those you see in the columns of the periodic table! Check out this chart of element valences to help determine potential chemical reactions.

What are the six elements that are liquid at or near room temperature? Your About Guide answers this question and provides a few facts about each element.

See the order of the chemical elements according to their density (mass per unit volume), from least dense to most dense.

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.

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.

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...

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.

Have you ever wondered which element has the highest density or mass per unit volume? Here's the answer.

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

Here's a list of the element names that can be broken down into element symbols. For example, the letters in the element neon are the symbols for Ne, O, N (neon, oxygen, and nitrogen).

Do you know the chemical composition of the human body? Here's the list of elements, given in percentage according to weight.

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

Find out what elements are in the human body and what these elements do.

Learn about the functions of the chemical elements in fireworks.

You probably know the sun consists mainly of hydrogen and helium. Can you name the other elements found in our closest star?

Get periodic table facts on the chemical and physical properties of the element actinium.

See the symbols of the elements and learn how alchemists used them.

Get periodic table facts on the chemical and physical properties of the element aluminum or aluminium.

Get periodic table facts on the chemical and physical properties of the element americium.

Get periodic table facts on the chemical and physical properties of the element antimony.

Get periodic table facts on the chemical and physical properties of the element argon.

Learn about the characteristics of the element arsenic.

Get periodic table facts on the chemical and physical properties of the element astatine.

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

Get periodic table facts on the chemical and physical properties of the element berkelium.

Get periodic table facts on the chemical and physical properties of the element beryllium.

Get periodic table facts on the chemical and physical properties of the element bismuth.

Get periodic table facts on the chemical and physical properties of the element bohrium.

Get periodic table facts on 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 periodic table facts on the chemical and physical properties of the element calcium.

Get periodic table facts on the chemical and physical properties of the element californium.

Get periodic table facts on the chemical and physical properties of the element carbon.

Get periodic table facts on the chemical and physical properties of the element cerium.

Get periodic table facts on the chemical and physical properties of the element cesium.

Get periodic table facts on the chemical and physical properties of the element chlorine.

Get periodic table facts on the chemical and physical properties of the element chromium.

Get periodic table facts on the chemical and physical properties of the element cobalt.

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

Get facts for element 112, copernicium.

Get periodic table facts on the chemical and physical properties of the element copper.

Get periodic table facts on the chemical and physical properties of the element curium.

Get periodic table facts on the chemical and physical properties of the element darmstadtium or ununnilium.

Get facts on the chemical and physical properties of the element dubnium.

Get facts on the chemical and physical properties of the element dysprosium.

Get facts on the chemical and physical properties of the element einsteinium.

Do you know the colors of the chemical elements? Here's a fun multiple choice quiz designed to test your knowledge.

This is an alphabetical list of the chemical elements.

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.

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 a collection of photographs of the elements to help you out.

Learn the locations of element types on the periodic table and get summaries of the defining characteristics of element groups, such as alkaline earths, noble gases, halogens, etc.

Alphabetical list of the chemical elements named after people.

Alphabetical list of elements in chemistry named for places or element toponyms.

Get periodic table facts on the chemical and physical properties of the element erbium.

Get periodic table facts on the chemical and physical properties of the element europium.

Get periodic table facts on the chemical and physical properties of the element fermium.

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.

Get periodic table facts on the chemical and physical properties of the element fluorine.

Get periodic table facts on the chemical and physical properties of the element francium.

Get periodic table facts on the chemical and physical properties of the element gadolinium.

Get periodic table facts on the chemical and physical properties of the element gallium.

Learn about the characteristics of the element germanium.

Get facts on the chemical and physical properties of the element gold.

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.

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

Get periodic table facts on the chemical and physical properties of the element hassium.

Are you wondering which element is the heaviest? Here's an answer to the question.

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

Get periodic table facts on the chemical and physical properties of the element holmium.

Learn about the properties and characteristics of the element hydrargyrum.

Get facts on the chemical and physical properties of the element hydrogen.

Get periodic table facts on the chemical and physical properties of the element indium.

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 about the characteristics of the element iodine.

Get periodic table facts on the chemical and physical properties 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.

Get periodic table facts on the chemical and physical properties of the element krypton.

Learn about the properties of the rare earth metals. This 3-part article includes an overview of the rare earths and separate sections for the lanthanide series and actinide series.

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

Get facts on the chemical and physical properties of the element lawrencium.

Get facts on the chemical and physical properties of the element lead.

Do you know what the pure elements look like in liquid form? Some elements, like mercury, you may have seen as a liquid because that is its usual state. Other liquid elements may be less familiar to you.

Get periodic table facts on the chemical and physical properties of the element lithium.

Get periodic table facts on the chemical and physical properties of the element lutetium or cassiopeium.

Get periodic table facts on the chemical and physical properties of the element magnesium.

Get periodic table facts on the chemical and physical properties of the element manganese.

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

Get periodic table facts on the chemical and physical properties of the element meitnerium.

Here is a mnemonic to help you memorize the first twenty elements in the periodic table.

Get periodic table facts on the chemical and physical properties of the element mendelevium.

Get periodic table facts on the chemical and physical properties of the element mercury.

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

Get periodic table facts on the chemical and physical properties of the element neodymium.

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

Get periodic table facts on the chemical and physical properties of the element neptunium.

Get periodic table facts on 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 processes involved in the nitrogen cycle, the biochemical cycle that describes the transformations of nitrogen as it goes through nature.

Get periodic table facts on the chemical and physical properties of the element nitrogen or azote.

Get periodic table facts on the chemical and physical properties of the element nobelium.

Learn about the properties and characteristics of the element osmium.

Get facts on the chemical and physical properties of the element oxygen.

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

The properties of the elements exhibit periodicity. Learn how to use the periodic table to predict the trends in atomic radius, ionization energy, electron affinity, and electronegativity.

Click on an element's symbol to get facts about its discovery, word origin, isotopes, properties, uses, and sources.

Get periodic table facts on the chemical and physical properties of the element phosphorus.

Learn about the properties and characteristics of the element platinum.

Learn about the properties and characteristics of the element plumbum.

Get facts on the chemical and physical properties of the element polonium.

Get periodic table facts on the chemical and physical properties of the element plutonium.

Get periodic table facts on the chemical and physical properties of the element potassium.

Get information about the atomic number, symbol, properties, and other characteristics of the element potassium or kalium.

Get periodic table facts on the chemical and physical properties of the element praseodymium.

Get periodic table facts on the chemical and physical properties of the element promethium.

Get periodic table facts on the chemical and physical properties of the element protactinium.

Get periodic table facts on the chemical and physical properties of the element radium.

Get periodic table facts on the chemical and physical properties of the element radon.

Higher atomic number doesn't imply higher atomic mass. At least not always! Sometimes one element of lower atomic number can have a higher atomic mass. Learn about the effect of isotopic ratios on atomic mass.

Learn about the properties and characteristics of the element rhenium.

Get periodic table facts on the chemical and physical properties of the element rhodium.

Get periodic table facts on the chemical and physical properties of the element roentgenium or ununumium.

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

Get periodic table facts on the chemical and physical properties of the element ruthenium.

Get periodic table facts on the chemical and physical properties of the element rutherfordium.

Get facts on the chemical and physical properties of the element samarium.

Get information about the atomic number, symbol, properties, and other characteristics of the element scandium.

Get periodic table facts on the chemical and physical properties of the element scandium.

Get periodic table facts on the chemical and physical properties of the element seaborgium.

Get periodic table facts on the chemical and physical properties of the element selenium.

Learn about the element silicon.

Get periodic table facts on the chemical and physical properties of the element silver or argentum.

Get periodic table facts on the chemical and physical properties of the element sodium.

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

Learn about the element sulfur or sulphur.

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

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

Get periodic table facts on the chemical and physical properties of the element technetium or masurium.

Get periodic table facts on the chemical and physical properties of the element tellurium.

Get periodic table facts on the chemical and physical properties of the element terbium.

Learn about the properties and characteristics of the element thallium.

Get periodic table facts on the chemical and physical properties of the element thorium.

Get periodic table facts on the chemical and physical properties of the element thulium.

Get periodic table facts on the chemical and physical properties of the element tin.

Get periodic table facts on the chemical and physical properties of the element titanium.

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

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

Get periodic table facts on the chemical and physical properties of the element tungsten or wolfram.

Learn about transmutation, the holy grail of alchemy. Can one chemical be changed into another? Is it worth the effort?

Get periodic table facts on the chemical and physical properties of the element ununbium.

Get facts on the chemical and physical properties of the element ununhexium.

Get facts on the chemical and physical properties of the element Ununoctium.

Get facts on the chemical and physical properties of the element Ununpentium.

Get facts on the chemical and physical properties of the element Ununquadium.

Get facts on the chemical and physical properties of the element Ununseptium.

Get facts on the chemical and physical properties of the element Ununtrium.

Get periodic table facts on the chemical and physical properties of the element uranium.

Get periodic table facts on the chemical and physical properties of the element vanadium.

s, p, d, and f are orbital names that stand for sharp, principal, diffuse, and fundamental. This summary tells more about orbitals and electronic structure.

You probably know that lead is toxic, but do you know what makes it poisonous? Here's an explanation of what lead does in your body that makes it such a health hazard.

Some of the chemical elements were known to ancient man. Can you name them?

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

Get periodic table facts on the chemical and physical properties of the element xenon.

Get periodic table facts on the chemical and physical properties of the element ytterbium.

Get periodic table facts on the chemical and physical properties of the element yttrium.

Get periodic table facts on the chemical and physical properties of the element zinc.

Get periodic table facts on the chemical and physical properties of the element zirconium.

This is a list of the seven elements that commonly are found as diatomic molecules.