Across
- 3. Smallest part of an element
- 4. Electrons on the far outside level
- 6. # of atoms in chem equation
- 8. # for how many molecules in an equation
- 9. The center of an atom
- 14. Where electrons arrange themselves
- 15. Unit for measuring atoms
- 16. equation of atoms with
- 18. Does not change the atom arrangment
- 19. Characteristics of an atom
- 20. Greater on left of the periodic table
Down
- 1. solid is formed from mixing liquids
- 2. Columns on a periodic table
- 5. made of only one atom
- 7. electrons energy level 1 can hold
- 10. Positively charged sub atomic particle
- 11. Neutrally charged sub atomic particle
- 12. Rows on a periodic table
- 13. Negatively charged sub atomic particle
- 17. Change where atoms rearrange