Across
- 1. negative ion of an atom
- 5. Name of the group 2 element Alkaline ________ metals
- 8. neutral subatomic particle
- 9. a form of an element that has a different number of neutrons
- 12. nuclear reaction where atoms combine
- 13. electrons on the outermost energy level
- 14. Name of the group 1 metals __________metals
- 17. electrons are located in the electron __________
- 18. Name of the group 17 elements
- 21. vertical columns on Periodic Table
- 22. bond where atoms share electrons
- 23. number that states the charge of an atom after it loses/gains electrons
- 25. building block of all matter
Down
- 2. rule that states all atoms want a full outer shell
- 3. nuclear reaction that is used in power plants to create energy
- 4. horizontal rows on Periodic Table
- 6. bond between metal atoms
- 7. Name of the group 18 elements _________gases
- 10. negatively charged subatomic particle
- 11. center of an atom
- 15. weak bond between a positive hydrogen and a negative atom
- 16. energy released during nuclear fission
- 19. bond where atoms give or receive electrons
- 20. positively charged subatomic particle
- 24. positive ion of an atom