Across
- 6. earth metals with 2 valence electrons
- 9. rows on the periodic table
- 10. atom with a charge
- 12. ______ gases are useful because of their stability
- 13. atom that has the same element but different numbers of neutrons
- 15. bonds between nonmetals and medals
- 16. on the left of the periodic table
- 17. describes nonmetals
- 19. commonly found in the state of gas
- 20. has a neutral charge, particles in the nucleus.
Down
- 1. describes a metal
- 2. metals with one valence electron
- 3. group 17s name
- 4. an electron _____ diagram in the most realistic due to the empty space
- 5. located between metals and nonmetals on the periodic table
- 7. determines the element on how many it has
- 8. has a negative charge
- 11. bond with nonmetals
- 14. the rows up and down on the periodic table
- 18. smallest particle in the element