Across
- 3. Aristotle's theory of Air, water, fire and earth
- 6. what is "Ag" on the Periodic Table?
- 7. energy stored in the chemical bonds of substance
Down
- 1. heat given off products feel HOT
- 2. extremely unreactive; examples: neon, argon, helium
- 4. good at conducting heat and electricity
- 5. natural materials that do not produce heat or electricity;most are gases