Provides a great deal of elemental information about the chemical element holmium. There are audio files demonstrating the correct pronunciation of the element name, pictures showing the electron shells, information on isotopes,...

A chemistry tutorial highlighting historical development of the atomic theory of matter and the periodic table of elements.

Play the Obstacles game to learn about the elements in the Period Table. Get a question right about one element and you will be able to click the Data button to get information about other elements, enhancing your chances of getting...

Elements in the same group in the periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali...

This lesson focuses on atoms and elements including what they are, the chemical symbols for elements, and the placement of elements on the periodic table. A link to a test is provided.

The number of protons in the atom of an element determines its place in the Periodic Table. The number of electrons in an atom is the same as the number of protons. These electrons are arranged in shells or 'energy levels' around the...

A giant sized table made of wood houses a large collection of minerals from the periodic table. Click on any wooden tile to discover what the element looks like and details about its atomic structure and uses. The author even tells you...

The elements in Group 7 of the Periodic Table are called the halogens. They include chlorine, bromine and iodine. Learn about their properties and uses, then take a quiz.

Explains different sections of the periodic table, and how they are used.

An illustrated how-to for understanding how to read and extract information from the periodic table.

An overview of the differences between the metal and non metal groups. Includes a lot of information on the periodic table and has a plethora of graphs.

An activity to introduce the periodic table and the trends. Students will understand the organization of the periodic table with this game.

A description of the element, Tantalum, atomic number 73. Covers the origin of its name, sources, uses for it in industry, and possible substitutes.

Get a look at the periodic table with this site! Periodic table gives lots of information about the elements that are found on it.

Facts and historical information on the element of Actinium.

A description of the chemical element Fermium. Gives scientific information such as atomic weight and atomic number, and also discusses its history and uses.

Explore the periodic table like never before! This downloadable program module for students comes absolutely complete with teacher modules, student assessments, PowerPoints, Excel spreadsheets, historical text readings and more. Students...

EnvironmentalChemistry.com offers a thorough site all about the element neodymium.

Explains how Dmitri Mendeleev created the periodic table of elements, how it was organized, the changes made by Henry Moseley in 1931, some characteristics of element groups, and what the atomic mass, number, and abbreviation each...

Provides an explanation of the periodic table of elements and how to read it.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. The famous element gold is the number 79 on the periodic table. [9:04]

This article discusses the reaction of manganese with things such as: water, air, acids, bases, etc.

Explains the theoretical basis of electron configuration and presents a table of all 118 elements with their symbols, number of electrons, and electron configurations.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about niobium, a particularly friendly element. [9:27]