Chemistry Crossword
Across
- 3. the element with the symbol Pb
- 5. the metalloid with the largest atomic radius
- 6. the element with an atomic mass of 58.933
- 9. the element named after Ernest Lawrence
- 10. the element with 7 electrons in ground state
- 11. element number 83
Down
- 1. the first element
- 2. the noble gas with the smallest atomic mass
- 4. the alkali metal with the largest atomic mass
- 7. element number 12
- 8. the element with the symbol Br