CK-12 Foundation
Ck 12: Isotopes and Atomic Mass
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be asked to define atomic number, mass number and understand how isotopes differ from one another. They will be able...
Sophia Learning
Sophia: Characteristics of Elements
A podcast [0:39] describing the main characteristics of chemical elements, including the importance of a chemical symbol, atomic number, and atomic mass.
Georgia Department of Education
Ga Virtual Learning: Physical Science: Matter and the Atom
Students investigate the structure and parts of the atom, and learn about atomic mass and atomic number. They also explore the differences among solids, liquids, gases, and plasma.
Texas Education Agency
Texas Gateway: Ap Physics I: Appendices: Atomic Masses
This is a chart of the elements including the atomic mass, atomic number, symbol, half-life, and more.
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.
CK-12 Foundation
Ck 12: Physical Science: Atomic Number
[Free Registration/Login may be required to access all resource tools.] Definitions of atomic number and mass number.
Environmental Chemistry
Environmental chemistry.com: Anatomy of an Atom
Explains the basics of atomic structure, from simple definitions to information about quantum theory. Accurate and helpful basics whether or not you need the more advanced information.
Other
Lenntech: Multilingual Periodic Table
An interactive periodic table of elements. Click an element to view a detailed description. Click the flags at the top to choose your language: English, French, Spanish, Dutch, and German.
CK-12 Foundation
Ck 12: Physical Science: Atomic Number
[Free Registration/Login may be required to access all resource tools.] Definitions of atomic number and mass number.
Chemicool
Chemi Cool: Vanadium
Set of tables describing many physical and chemical properties of the element vanadium.
California State University
California State University: Proton, Electron, Neutron
An interesting and useful tool to practice recognition/calculation of atomic number, mass, and number of neutrons, electrons, etc. Can be used with all elements.
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 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.
Curated OER
[Bohr Model of 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.
Curated OER
[Bohr Model of 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.
Curated OER
[Bohr Model of 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.
Curated OER
[Bohr Model of 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.