Across
- 2. state of matter with definite shape and volume
- 4. process where liquid changes into a gas
- 6. smallest unit of an element
- 7. starting substances in a chemical reaction
- 9. relating reactants and products in reactions
- 10. process where gas changes into a liquid
- 13. two or more atoms bonded together
- 16. single compound breaks down into elements
- 17. process where solid changes into liquid
- 20. bond where atoms share electrons
- 21. neutral particle in an atom nucleus
Down
- 1. substances formed in a chemical reaction
- 3. state of matter with volume but no fixed shape
- 5. a state of matter with no fixed shape or volume
- 8. negatively charged particle orbiting the nucleus
- 11. process where liquid changes into a solid
- 12. positively charged particle in an atom nucleus
- 14. substance that cannot be broken down further
- 15. bond where atoms transfer electrons
- 18. atom or molecule with a net electric charge
- 19. unit of measurement where grams equal element amu