Chemistry Terms

4. A negative ion
6. The negative electrode
7. The Positive electrode
8. A substance containing an in formed from a halogen atom
9. A rod of metal or graphite that leads an electric current into or out of an electrolyte
11. Substances with the same molecular formula but a different arrangement of atoms
13. Absorbs heat
14. Another word for power
15. A negatively charged particle found in electron shells outside the nucleus
16. A biological catalyst

1. An atom or group of atoms that has become positively or negatively charged
2. Radiation or subatomic particles given out from the nuclei of unstable atoms
3. Atoms of the same element with different numbers of neutrons
5. Produces heat energy
10. A positive ion
12. A mixture of hydrocarbons present under the earth's crust as a black sticky liquid, sometimes called crude oil