Across
- 2. K _ _ _ _ _ _
- 6. Only has 1 proton
- 7. found in bananas
- 9. Metals First group elements on the periodic table ( To the right)
- 10. Number the number on the bottom of the element
Down
- 1. has a proton number of 10
- 3. P_ _ _ _ _ _ _ T_ _ _ _
- 4. The number that organises the periodic table
- 5. has a mass number of 50
- 8. has a mass number of 4
