Across
- 1. Occupies space and has mass
- 3. mass is irrelevant to
- 6. energy What is stored energy
- 8. negative charge
- 9. bonds Attractive forces holding atoms together
- 10. energy What is energy in motion
- 13. What has the same charge, same element and a different number of electrons
- 15. bonds strongest bond is
- 16. electrons neutrons P.E.N
- 19. bond complete loss of electrons
- 20. and carbs Examples of macromolecules
- 21. Example of covalent bond is
Down
- 2. No charge
- 4. Tentative statement about the natural world
- 5. hydrogen bonds are
- 7. What is capacity to do work
- 11. No charge
- 12. polar covalent bond Equal distribution of electons
- 14. positive charge
- 17. mass electrons have a
- 18. bonds are mediocre