Across
- 2. the result of a chemical reaction
- 4. group of elements that have a full valence shell
- 7. able to be shaped without breaking or cracking
- 8. a substance that increases the rate of a chemical reaction
- 10. atoms that are connected by sharing electrons
- 12. the number of valence electrons neon has
- 13. determined by the number of protons in an atom
- 15. the family group chlorine is in
- 17. able to be formed and reformed without losing toughness, not brittle
- 19. the family group that iron is in
- 20. atoms the are attracted by giving or receiving electrons
- 21. group of elements that are extremely reactive and water sensitive
- 22. the amount of matter in a single element of an atom
Down
- 1. the number of electron shells sodium has
- 3. the measure of how well an electrical charge can pass through a substance
- 5. the second most reactive group
- 6. the subatomic particles on the outer ring of an atom
- 9. elements that go into a chemical reaction
- 11. have properties of metals and nonmetals
- 14. subatomic particles with no charge
- 16. chart that organizes elements by atomic number and electron rings
- 18. does not react easily with other elements