Environmental Chemistry
Periodic Table of Elements: Thallium
A very detailed look at the element Thallium, a member of the Boron Group.
State University of New York
State University of New York: Atomic Orbital Energies
This simulation explores the trends observed in orbital energies for the main group elements of atomic orbital energies.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Looks at atoms and how they are related to elements, and the particles that make up atoms.
Environmental Chemistry
Environmental chemistry.com: Element Einsteinium
EnvironmentalChemistry.com offers an extensive site on the element, Einsteinium, of the Periodic Table of Elements.
Chemicool
Chemi Cool: Vanadium
Set of tables describing many physical and chemical properties of the element vanadium.
Atomic Archive
Atomic Archive: Nuclear Fusion
From the Atomic Archive - the online companion to the award-winning CD-ROM. This page defines nuclear fusion and depicts the process by an informative diagram. Includes numerical values which describe the typical energy values for fusion...
CK-12 Foundation
Ck 12: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.
Other
Sciencebase and Elemental Discoveries: Sciencebase: Large Hadron Collider
Learn facts about the Large Hadron Collider project and its impact on the world of physics research.
CK-12 Foundation
Ck 12: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.
Wikimedia
Wikipedia: Atomic Number
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
TeachEngineering
Teach Engineering: Mixtures and Solutions
This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Quantum Numbers
Each electron has a set of quantum numbers that specify it's location, orbital, and energy in a unique manner.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Calcium
Information about the element, Calcium, atomic number 20. Covers physical and atomic properties, sources, its role in geochemical cycles, how abundant it is on the Earth, its isotopes, some compounds of calcium, and its importance to...
CK-12 Foundation
Ck 12: Trends in the Periodic Table
[Free Registration/Login may be required to access all resource tools.] Students investigate specific properties that can be predicted by an element's position on the periodic table. Additionally, they will look at the formation of ions,...
Wikimedia
Wikipedia: Sulfur
This site from the Wikipedia Encyclopedia provides information on atomic properties, physical properties and notable characteristics of sulfur can be found on this informative site. Links are provided for additional information.
Encyclopedia of Earth
Encyclopedia of Earth: Mendelevium
Information about the synthetic, radioactive element, Mendelevium, atomic number 101. Covers its discovery, physical and atomic properties, and details about permissible exposure.
Encyclopedia of Earth
Encyclopedia of Earth: Uranium
Information about the radioactive element, Uranium, atomic number 92. Describes its history, physical and atomic properties, how abundant it is on the Earth, and permissible exposure limits. Also discusses sources, uses, isotopes,...
Encyclopedia of Earth
Encyclopedia of Earth: Rhenium
Information about the metallic element, Rhenium, atomic number 75. Covers its physical and atomic properties, how abundant it is on the Earth, sources, uses, and potential substitutes.
Encyclopedia of Earth
Encyclopedia of Earth: Radon
Information about the radioactive element, Radon, atomic number 86. Covers physical properties, atomic properties, how abundant it is on the Earth, details about its impact on human health, and about how it can be monitored.
Encyclopedia of Earth
Encyclopedia of Earth: Radium
Information about the radioactive element, Radium, atomic number 88. Covers physical and atomic properties, how abundant it is on the Earth, and permissible exposure limits.
Encyclopedia of Earth
Encyclopedia of Earth: Gallium
Information about the metallic element, Gallium, atomic number 31. Covers its discovery, its physical and atomic properties, sources, uses, how abundant it is on the Earth, and permissible exposure limits.
Encyclopedia of Earth
Encyclopedia of Earth: Chromium
Information about the element, Chromium, atomic number 24. Covers discovery, physical and atomic properties, how abundant it is on the Earth, permissible exposure limits, sources, uses, and potential substitutes.
Encyclopedia of Earth
Encyclopedia of Earth: Boron
Information about the semi-metallic element, Boron, atomic number 5. Covers physical and atomic properties, how abundant it is on the Earth, sources, uses, and possible substitutes.
Environmental Chemistry
Environmental chemistry.com: Periodic Table Samarium
As the name of this site implies, this is a huge source of elemental information. You are likely to find whatever you need to know about elements here.