[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will learn how to express the arrangement of electrons in atoms through electron configurations and Lewis valence electron...

[Free Registration/Login may be required to access all resource tools.] Covers electronic configuration of noble gases and the reactivity of noble gases.

An exceptionally thorough resource with an amazing set of data on krypton, it chemical and physical properties, its electron configuration and its isotopes, among other things.

This lesson will define the Octet Rule and how this effects an atom's stability. It is 4 of 5 in the series titled "Octet Rule."