Across
- 3. member of group 17
- 4. formula where subscripts are in the lowest possible form
- 6. acid plus base forms water and salt
- 8. same molecular formula different structural formula
- 9. member of group 18
- 10. attraction for electrons
- 12. average kinetic energy
- 15. separation of substances using boiling point
- 16. same number of protons different number of neutrons
Down
- 1. formula where subscripts can be reduced; true formula
- 2. two elements chemically combined in a definite ratio
- 5. homogeneous mixture
- 7. energy needed to remove electrons
- 10. heat of reaction
- 11. element found in all organic compounds
- 13. simplest form of matter
- 14. randomness of a system