US Geological Survey
Usgs: Arsenic in Ground Water in the United States
This page discusses the presence of arsenic (chemical symbol As) in ground water in the United States. Also provides many links to other sites about arsenic (especially in drinking water.)
Other
Environmental Yellow Pages: Elemental Einsteinium
The history, isotopes, and properties of the element Einsteinium are discussed on this site. Also listed is the atomic weight, atomic number, atomic symbol, and electron configuration.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: The Element Fermium
A description of the chemical element Fermium. Gives scientific information such as atomic weight and atomic number, and also discusses its history and uses.
Other
Chemical elements.com: Samarium
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 elements.com: Silver
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 elements.com: Sodium
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.
Web Elements
Web Elements Periodic Table: Sodium
All of the elemental information that you are likely to need can be found at this extensive site, including; atomic number, atomic weight, group name, standard state, properties, uses, electron configuration, typical compounds and much...
Web Elements
Web Elements Periodic Table: Samarium
All of the elemental information that you are likely to need can be found at this extensive site, including atomic number, atomic weight, group name, standard state, properties, uses, electron configuration, typical compounds and much...
Science Struck
Science Struck: List of Radioactive Elements
Learn about radioactivity, the different types of radioactive decay, isotopes, and half-life of a radioactive element. Includes a long chart listing radioactive elements, atomic number and mass number, decay type, and length of half-life.
Texas Instruments
Texas Instruments: Elements
This StudyCards stack enables students to review elements present in the modern periodic table. Given the atomic number, element name, and the electronic configuration, students find the position (period and column) of the element in the...
Chemicool
Chemicool: Zinc
This site from the Chemicool Periodic Table provides an abundance of information on the element including everything from atomic number to abundance.
Web Elements
Web Elements Periodic Table: Electron Affinity
An interactive periodic table. When you hover over an element, its name, atomic number, group, period, and electron affinity value appear.
Web Elements
Web Elements Periodic Table: Electronegativity
Chart of Pauling electronegativity values versus atomic number. Colorful, pictorial explanation of this periodic trend.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Element Flash Cards
Quiz yourself over the table of elements! The computer will give you an element and, depending on the selections you make below, you will have to supply the element's chemical name, chemical symbol or atomic number. Enter your answer...
Lawrence Berkeley National Laboratory
Berkeley Lab: Basic Nuclear Science Information
Site provides the ABC's of nuclear science including radioactivity and gamma decay to fission and comic rays.
Sophia Learning
Sophia: Modern Periodic Law: Lesson 3
This lesson will define the Modern Period Law. It is 3 of 3 in the series titled "Modern Periodic Law."
Sophia Learning
Sophia: Modern Periodic Law: Lesson 1
This lesson will define the Modern Period Law. It is 1 of 3 in the series titled "Modern Periodic Law."
Mocomi & Anibrain Digital Technologies
Mocomi: Structure of an Atom
An atom is made of three parts - protons, neutrons, and electrons. Here you can explore these different parts.
CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] The focus in this learning module will be on the complexity of electron arrangement in atoms.
Other
Erik's Chemistry Page: Electronic Structure of Atoms
A description of quantum theory, the Bohr model of the atom, the quantum mechanical atom, the Scrodinger equation, and quantum numbers.
National High Magnetic Field Laboratory
Magnet Academy: Paul Dirac
Paul Adrien Maurice Dirac was an outstanding twentieth century theoretical physicist whose work was fundamental to the development of quantum mechanics and quantum electrodynamics. He was awarded the Nobel Prize for Physics jointly with...
Thomas Jefferson National Accelerator Facility
Jefferson Lab: It's Elemental Periodic Table of Elements
This page displays the Periodic Table of Elements and allows you to click each individual element for a page that displays in-depth information about that particular element. There are also links to many different games and learning...
Environmental Chemistry
Environmental chemistry.com: Periodic Table Berkelium
A nice summary of the chemical and physical properties of berkelium as well as additional information. Very nicely done and helpful.
Environmental Chemistry
Environmental chemistry.com: Periodic Table Bismuth
An exceptionally detailed resource listing just about any property of bismuth you could ever want to know. A very valuable resource.
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