Across
- 3. 6.02 x 10^23
- 5. type of reaction where two singles make a pair
- 10. a bond formed between two nonmetals
- 11. a subatomic particle with a negative charge
- 12. a subatomic particle with a positive charge
- 13. a bond formed between a metal and a nonmetal
- 14. the person who discovered the mole
Down
- 1. the basic unit of matter
- 2. a group of atoms bonded together
- 4. where electrons are located
- 6. the element with no neutrons
- 7. type of reaction where a pair breaks up
- 8. the element with atomic number 6
- 9. a subatomic particle with zero charge