Across
- 4. horizontal columns on the periodic table
- 5. part of an atom postive
- 7. part of an atom's shells
- 10. changes as you move down group 1 begins with r
- 12. group 1 name first word
- 13. state of matter begins with s
Down
- 1. electrons sit on them
- 2. periodic table of ____s
- 3. vertical columns on the periodic table
- 6. part of an atom neutral
- 8. group 1 name second word
- 9. state of matter begins with l
- 11. state of matter begins with g