Across
- 3. 6.02X10^23
- 5. is in period 4 with 30 neutrons
- 7. the name for Sr
- 9. another name for charge
- 11. the elements that have multiple charges
- 15. is a noble gas and has 10 neutrons
- 17. has one valence electron and is in period 2
- 18. has an atomic number of 7
Down
- 1. proper name for water
- 2. 6.02X10^23 atoms is equal to one of these
- 4. the most abundant element in the universe
- 6. process which changes a solid to gas(vapor)
- 8. the name for Sn
- 10. most of the periodic table is composed of these
- 12. another name for salt (NaCl)
- 13. has an atomic mass of 74.92
- 14. the name for Ag
- 16. Fluorine has this many valence electrons