Across
- 2. how easily energy passes through a substance
- 3. the process of falling apart or rotting
- 5. the negative subatoms that float in a cloud around the nucleus
- 9. the smallest form of a substance
- 11. the ability to ply or make into wires
- 12. the neutral subatoms that exist in the nucleus and determine what isotope the atom is
Down
- 1. when an substance is highly energetic and unstable
- 4. not very reactive
- 6. how shiny something is
- 7. the core or center of the atom; contains protons and neutrons
- 8. the positive subatoms that exist in the nucleus and determine what element the atom is
- 10. the ability to bend or flatten