Across
- 2. same properties
- 6. postive charge
- 7. a single electron or one of two or more electrons in the outer shell
- 11. any of two or more species of atoms of a chemical element with the same atomic number
- 12. the smallest particle of a substance that can exist by itself
Down
- 1. Shiney ametals and nonmetals pperance good condutor
- 3. How much the atom weights
- 4. lacks the characteristics of a metal
- 5. metals and nonmetals
- 8. how many proton in the atom
- 9. negitive charge
- 10. no charge
- 11. an atom or group of atoms that carries a positive or negative electric charge