Across
- 2. A positively charged ion
- 3. smallest particle
- 7. A minute portion of matter
- 10. A distinctive form of matter such as a solid, liquid, gas, or plasma
- 11. Mass per unit volume of a material.
- 12. A force that holds atoms together in a compound
- 13. Vertical row in the periodic table
- 15. The action of being moved or moving
- 16. The number of protons and neutrons found in nucleus
Down
- 1. The number of protons in an atom's nucleus
- 4. The temperature at which a solid becomes a liquid
- 5. An equal amount of charge or particles
- 6. Group of elements with similar chemical properties
- 7. Horizontal row in the periodic table
- 8. Attraction formed between oppositely charged ions in an ionic compound
- 9. A phase that does not have a definite shape or volume
- 14. A phase that has a definite volume but takes the shape of its container
- 15. Amount of matter in an object
