*** Make sure that you turn in your mole lab/video viewing guide into the bin***

Warm-Up Thursday, February 11, 2015:  

Classify the following as an atom, ion, molecule, or formula unit.

1. CaCO₃
2. N^3-
3. Cu₃N
4. Mn
5. (SO₄)^2-
6. N₂O₃
7. F₂