Across
- 2. which shell can only hold up to 2 electrons
- 5. are hard, shiny, ductile
- 6. what bonding holds a compound together
- 7. law of ___________ of mass
- 10. shows the number and type of atoms in an element or compound
- 11. a subatomic particle with a charge of 0
Down
- 1. atoms with the same number of protons but different numbers of neutrons
- 3. a subatomic particle with a mass of 0
- 4. symbol is Naf
- 8. where the protons and neutrons are held
- 9. a subatomic particle with a charge of +1