PSc.2.2 Understand chemical bonding and chemical interactions.
PSc.2.1.4 Interpret data presented in Bohr model diagrams and dot diagrams for atoms and ions of elements 1 through 18.
PSc.2.2.1 Infer valence electrons, oxidation number, and reactivity of an element based on its location in the Periodic Table.
PSc.2.2.2 Infer the type of chemical bond that occurs, whether covalent, ionic or metallic, in a given substance.
PSc.2.2.3 Predict chemical formulas and names for simple compounds based on knowledge of bond formation and naming conventions.

No. 16 Atoms
No. 17 The Periodic Table
No. 18 Bonding

Video: Calculating Subatomic Particles
Video: Ions
Sim: Build an Atom