1. Education

Element Facts

Get the facts about the elements, including properties of individual elements (click on its symbol in the periodic table), trends in the periodic table, chemistry of periods and groups, valences, and more.
  1. 10 Element Facts (17)
  2. Electron Shell Diagrams (122)
  3. Element Atomic Numbers (23)
  4. Element Locations (118)
  5. Element Pictures (16)
  6. Element of the Day (7)

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

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.

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.

Atom Diagrams
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.

Electronic Configuration of the Elements
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.

Valences of the Elements
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.

Liquid Elements
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.

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.

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.

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.

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...

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.

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

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

Element Symbols in Element Names
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).

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.

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.

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

Elements in Fireworks
Learn about the functions of the chemical elements in fireworks.

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

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

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

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

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

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

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

Arsenic Facts
Learn about the characteristics of the element arsenic.

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

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

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

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

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

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

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

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

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

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

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

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

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

Cobalt Facts
Get periodic table facts on 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.

Copernicium Facts
Get facts for element 112, copernicium.

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

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

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

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

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

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

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 Names
This is an alphabetical list of the chemical elements.

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

Element Types - Chemistry of Groups
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.

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.

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

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

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

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.

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

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

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

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

Germanium Facts
Learn about the characteristics of the element germanium.

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

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.

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

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

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

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

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

Hydrargyrum Facts
Learn about the properties and characteristics of the element hydrargyrum.

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

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

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.

Iodine Facts
Learn about the characteristics of the element iodine.

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

Lanthanides and Actinides - The Rare Earths
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.

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

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

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

Liquid Elements Photo Gallery
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.

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

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

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

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

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

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

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

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

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

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

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

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

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

Nickel Facts
Get periodic table facts on 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.

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.

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

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

Osmium Facts
Learn about the properties and characteristics of the element osmium.

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

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

Periodic Properties of Elements
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.

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

Phosphorus Facts
Get periodic table facts on the chemical and physical properties of 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.

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

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

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

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

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

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

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

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

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

Relating Atomic Number to Atomic Mass - Isotopes
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.

Rhenium Facts
Learn about the properties and characteristics of the element rhenium.

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

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

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

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

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

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

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

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

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

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

Silicon Facts
Learn about the element silicon.

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

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

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

Sulfur Facts
Learn about the element sulfur or sulphur.

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.

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

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

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

Thallium Facts
Learn about the properties and characteristics of the element thallium.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

What Do s, p, d, and f Mean?
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.

What Makes Lead Poisonous?
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.

What Was the First Known Element?
Some of the chemical elements were known to ancient man. Can you name them?

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

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

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

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

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

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

What Are the Seven Diatomic Elements?
This is a list of the seven elements that commonly are found as diatomic molecules.

What Is the Most Expensive Element?
Here is a look at the most expensive natural element and the most expensive element known to exist.

10 Iron Facts
Here are 10 facts about the element iron.

10 Sodium Facts
Sodium is an abundant element that is essential for human nutrition and important for many chemical processes. Here are 10 interesting facts about sodium.

10 Potassium Facts
Learn about the element potassium. Here are 10 fun and interesting potassium facts.

Coronium or Newtonium Element
Learn about the element called coronium or newtonium, once believed to exist in the sun.

Monoatomic Elements
Learn what monoatomic elements are and get examples of them.

What Is the Hardest Element?
Can you name the hardest element? It's an element that occurs naturally in pure form and has a hardness of 10 on the Mohs scale. Chances are you have seen it. Here's the answer.

You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

©2014 About.com. All rights reserved.