Across
- 3. has all the elements
- 5. tells us the reactivity
- 6. numbers of protons and newtons
- 7. one the stare case
- 9. the numbers on the top
Down
- 1. tell us the period
- 2. on the right side of the periodic table
- 3. the numbers on the s on the left side of the periodic table
- 4. the number on top of an element
- 8. the letters of an element