Across
- 2. positively charged particles
- 5. center of atom
- 8. same element with different number of neutrons
- 10. type of element that tends to give away
- 14. negative particle
- 15. type of number that is the sum of protons and neutrons
- 16. bond between two metals
- 18. ablity to be pulled into strands
- 19. name for coloums
Down
- 1. bond between nonmetel and metal
- 3. neutral particles
- 4. name for group 1
- 6. right of staircase
- 7. can be hammered into sheets
- 9. type of electron in outer ring
- 11. name for rows
- 12. bond between two non metals
- 13. name of groups 17
- 15. left of staircase
- 17. type of number that is equal to number of protons