Across
- 2. shows what substances are present before and after a chemical reaction
- 7. shows the number of each type of atom(small number)
- 11. tells you how many energy levels the atom has
- 16. electricity passes through
- 17. located in the electron cloud and has a negative charge
- 18. identifies how many molecules are present
- 19. change in which no new substances are formed
- 20. electricity and heat do not pass through it
Down
- 1. determine the reactivity(stability of an element)
- 3. shatters easily
- 4. located in the nucleus and has a neutral charge
- 5. a new solid is formed
- 6. can be referred to as shiny
- 8. the elements or compounds before a chemical change
- 9. what side are metal properties found
- 10. new substances formed after a chemical reaction
- 12. not shiny
- 13. can be bent or hammered into sheet
- 14. located in the nucleus and has a positive charge
- 15. can be pulled into a wire