Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Oxygen
Very thorough summary of detailed information on oxygen, its history, isotopes, properties, and applications.
Encyclopedia of Earth
Encyclopedia of Earth: Biochemistry: Nitrogen Cycle
Article explaining what the nitrogen cycle is, and its role in an ecosystem. (Published: June 28, 2010)
Encyclopedia of Earth
Encyclopedia of Earth: Elements
Engaging and very informative article that explains what elements are, some of their history, how they are represented, the categories of elements, the periodic table, and how they are structured and classified.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: It's Elemental: Sulfur
This online resource is for information on the 16th element of the Periodic Table--Sulfur--can be found here. The site lists scientific information such as atomic weight, atomic number, melting/boiling point, and more. There is also a...
Other
The Mathematical Elements of Euclid
An extensive discussion of the Elements, which contains all the geometrical knowledge available in the Hellenistic period.
Other
Chemical elements.com/scandium
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Other
Chemical Element: Periodic Table: Gadolinium
Basic properties of the element Gadolinium Includes Bohr model.
Other
Los Alamos National Laboratory: Periodic Table of Elements
An up-to-date periodic table of elements. Click on each element to see properties, history, sources, and uses. Very comprehensive.
![Usgs: Fact Sheet: Molybdenum a Key Component of Metal Alloys [Pdf] Handout](https://content.lessonplanet.com/knovation/original/103399-944f9004dbee1432a00f40b2b28d37e5.jpg?1661543881 "Usgs: Fact Sheet: Molybdenum a Key Component of Metal Alloys [Pdf] Handout")
US Geological Survey
Usgs: Fact Sheet: Molybdenum a Key Component of Metal Alloys [Pdf]
Read this detailed fact sheet to learn about molybdenum and the important role it plays in the national economy, national security, and lives of Americans every day. Discover how we use it, where we can find it, and where we can find...
US Geological Survey
Bismuth
A listing of all sorts of available reports on bismuth. Great resources for students at many levels.
The Franklin Institute
Franklin Institute: Introduction to Matter
A resource provided to Grade 8 teachers to address the School District of Philadelphia's Core Curriculum on the topic of Matter. It covers properties and states of matter, elements, compounds, mixtures, atoms, and the periodic table....
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 1
A collection of grid puzzles that cover topics in basic chemistry, including acids, salts, alkalis, chemistry lab equipment, the periodic table, states of matter, and more. These are excellent for topic review and reinforcement. The...
CK-12 Foundation
Ck 12: Classification of Matter
[Free Registration/Login may be required to access all resource tools.] Students will use the physical and chemical properties of matter to categorize the various forms of matter.
CK-12 Foundation
Ck 12: History of the Periodic Table
[Free Registration/Login may be required to access all resource tools.] Students explore the history of the periodic table, and explain how the periodic table was originally organized, compared to the arrangement of the modern periodic...
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Welcome
An introduction to the College Board's AP Chemistry course, which is designed to be equivalent to a first year college chemistry course.
DOGO Media
Dogo News: Mastered the Periodic Table? Here Are Four More!
Read about the addition of four new elements to the periodic table. Includes video.
American Chemical Society
American Chemical Society: Hompage
ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.
Texas Education Agency
Texas Gateway: Classification of Matter by Composition
The following tutorial provides an explanation of classification of matter by composition.
Texas Education Agency
Texas Gateway: Elements and Compounds
In this fun and engaging online lesson, students differentiate between elements and compounds on the most basic level while having fun "encoding" the Periodic Table.
Texas Education Agency
Texas Gateway: Periodic Table Trends
Given descriptions, scenarios, or groups/series of elements, students will use the Periodic Table to relate the size of the atomic radii, electronegativity, and ionization energy of elements to their position on the chart. Students will...
Chemicool
Chemicool: Gadolinium
This site offers physical data on the element Gadolinium. Also contains abundance and cost.
Web Elements
Web Elements Periodic Table: Barium
Basic information and data on the element barium. Useful for students at a variety of levels. Includes examples of chemical reactions, as well as information on the properties of this element. Very helpful site.
Web Elements
Web Elements Periodic Table: Boron
A great deal of information on boron, and its physical and chemical properties, all arranged and organized in a very convenient way.
Chemicool
Chemicool: Cerium
A very clear set of data tables that provide all sorts of basic information on cerium and its chemical properties. A very helpful site for learning about this element.