Across
- 3. type of bond, shares electrons unequally
- 7. type of bond, shares electrons equally
- 8. bond, transfer of electrons, give or take
- 10. electrons occupying the outer shell of an atom
- 12. tendency of an atom to bond with others
- 13. unit of energy, represented by J
- 14. energy from radioactive materials
- 15. energy from air currents, via wind turbines
- 17. energy produced by the sun, harvested via solar panels
Down
- 1. type of reaction that emits heat, feels warm
- 2. negatively charged subatomic particle
- 3. positively charged subatomic particle
- 4. energy sourced directly from the earth
- 5. result of force acting upon something, producing motion
- 6. type of reaction that absorbs heat, feels cold
- 9. energy required for a valence electron to jump from one ion to another
- 11. active energy, currently used
- 12. the ability to do work
- 14. neutrally charged subatomic particle
- 16. possible energy, "saved for later"