BBC
Bbc: Gcse Bitesize Science: Atomic Structure
An explanation of atomic structure and the element groups in the periodic table using plain language. Supported by diagrams and charts.
Encyclopedia of Earth
Encyclopedia of Earth: Hydrogen
Information about the first element on the periodic table, Hydrogen, atomic number 1. Covers its history, sources, physical and atomic properties, places it occurs naturally on the Earth and in space, its many uses, and forms in which it...
Other
Web ref.org: Chlorine
A few well done paragraphs on chlorine, with descriptions of the element and its properties. One nice feature is that any technical term has a link to help you better understand it.
Concord Consortium
Concord Consortium: Stem Resources: Atomic Structure
Introduces learners to atomic models of the past and present, focusing on the orbital model and an explanation of its basis. Learners then have the opportunity to "make an atom" and contrast it with an ion, followed by an isotope. The...
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Atomic Theory
In this module students explore how matter is classified, the history of atomic theory, subatomic particles, modern atomic theory, electron configuration, the periodic table and its trends, and spectroscopy.
Chemicool
Chemicool: Gadolinium
This site offers physical data on the element Gadolinium. Also contains abundance and cost.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Oxygen
Very thorough summary of detailed information on oxygen, its history, isotopes, properties, and applications.
Chem4kids
Chem4 Kids: Families Stick Together
Beyond columns and rows, the periodic table groups elements according to families. Identify the families present on the table with this overview.
Sophia Learning
Sophia: Chemical Reactions: Lesson 4
This lesson will present a basic understanding of the periodic chart of elements and how to predict chemical reactions based on given information. It is 4 of 9 in the series titled "Chemical Reactions."
Other
Chemical Elements: Potassium
A nice, clear site, containing a good deal of elemental information, including atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.
CK-12 Foundation
Ck 12: Physical Science: Hydrogen and Alkali Metals
[Free Registration/Login may be required to access all resource tools.] Explores group 1 elements (Alkali Metals) and their properties.
Sophia Learning
Sophia: Valence Electrons and Core Electrons
Through a series of slide show presentations and a video lesson, strengthen your understanding of valence electrons. [2:46]
CK-12 Foundation
Ck 12: Chemistry: Hydrogen and Alkali Metals
[Free Registration/Login may be required to access all resource tools.] Covers Group I elements, electron configuration, and reactivity.
CK-12 Foundation
Ck 12: Chemistry: Lanthanides and Actinides
[Free Registration/Login may be required to access all resource tools.] Describes electron configurations of lanthanides and actinides and uses of lanthanides and actinides.
Wyzant
Wyzant: Common Elements
This website focuses on the common elements. It provides an alphabetical listing of each common element with its symbol, attributes, and location on the periodic table.
American Chemical Society
It's Elemental:
This periodic table offers a brief description and an example when you pause the mouse pointer over the element icon. Click the linked periodic abbreviation for detailed information.
Royal Society of Chemistry
Visual Elements: Hydrogen
Short, but descriptive summary on hydrogen. Discusses this element's composition and characteristics, and includes a graphic as well.
Science4Fun
Science4 Fun: Elements
Fun and interesting information about elements. Learn about the periodic table, how they are distinguished, and the different families of elements.
Towson University
Towson University: Ows: Abbreviations, Acronyms, and Initialisms
This page focuses on Abbreviations, Acronyms, and Initialisms including definitions for each. It also provides links to lists of abbreviations, etc. by category including Titles of Literary Works, Books of the Bible, Legal Terms and...
Royal Society of Chemistry
Chemical Society: Phosphorous
A very informative site on phosphorous, it includes many basic facts such as origon, description, and even visuals.
Environmental Chemistry
Chemistry and Environmental Dictionary: Metals
A brief description of the metal group, with examples and links.
Environmental Chemistry
Environmental chemistry.com: Periodic Table Holmium
As the name of this site implies, this is a huge reference site for elemental information. Whether you are looking for properties or isotopes, this site probably has what you need. Images of structure and electron energy level can be...
Environmental Chemistry
Environmental chemistry.com: Periodic Table Hassium
As the name of this site implies, this is a huge reference site for elemental information. Whether you are looking for properties or isotopes, this site probably has what you need. Images of structure and electron energy level can be...
Thomas Jefferson National Accelerator Facility
Jefferson Lab: It's Elemental the Element Dysprosium
Jefferson Lab offers basic facts and information on the element Dysprosium.