Across
- 3. This type of compound has a carbon to carbon double bond.
- 4. Decreasing the particle size, increases the _________ area.
- 7. Protons and neutrons are in this part of the atom.
- 8. Increasing this, increases the rate of reaction.
- 11. A mixture of two or more elements, at least one of which is a metal.
- 12. Metal + acid --> _________ + hydrogen
- 14. The mass number = number of protons + number of ___________ .
- 15. This is an example of a covalent network.
- 17. These are found on energy levels.
- 18. Average rate = change in _________ / time taken.
Down
- 1. The mass of an electron.
- 2. The symbol of this metal is K.
- 5. Carbon dioxide is a _____________ molecular compound.
- 6. A family of compounds with the same general formula is called a ____________ series.
- 9. When monomers react together they form a __________ .
- 10. A chemical reaction that releases energy to the surroundings is ____________ .
- 13. The mass of a proton.
- 16. Sodium chloride is an __________ compound.
- 19. The ________ number of iron is 26.