Across
- 3. is a particle with a positive or negative charge
- 6. is a bond that forms when atoms share one or more pairs of electrons
- 7. is a bond that forms between metal atoms when their outermost energy levels overlap
- 8. are the positively charged particles of atoms
Down
- 1. are poor conductors of heat and electricity
- 2. is the smallest particle into which an element can be divided and still be the same element
- 4. are elements that are shiny and conduct heat and electricity well
- 5. is a bond that has a force that brings oppositely charged ions together
- 9. nucleus is a small, dense center that has a positive charge and is surrounded by moving electrons