You are requesting that your library account password be reset. After you submit this request, we will email you a link that you can use to set a new password for your account.
In order for this to be successful, you must provide either a valid library card number or a valid library username, and we must have a valid email address on file for your account.
All matter in the observable universe-from a single blade of grass to a planet in a faraway galaxy-is made up of atoms, molecules, and compounds. This program introduces these minuscule building blocks in five sections: The Nucleus (protons and ne...
Read more
Contents
Atomic Nucleus (2:39) -- Atomic Fission and Fusion (3:05) -- Electrons (3:56) -- Chemistry: Elements in the Periodic Table (5:07) -- Energy of Atoms (4:06) -- Common Compounds: Salt and Water (5:08)