Across
- 2. First element in the periodic table
- 4. ________is found in the bones and teeth.
- 6. Smallest element in Period 4.
- 7. Biggest element in Group 2.
- 8. Has a symbol "Bi."
- 9. Metalloid in Period 3.
- 10. Has a symbol "Ge."
- 12. Biggest element in period 4.
- 13. Smallest element in the periodic table
- 14. Refers to horizontal rows in the periodic table
Down
- 1. Has atomic number 80.
- 3. Refers to vertical columns in the periodic table
- 5. Located in Period 3, Group 5.
- 7. Has a symbol "Rb."
- 11. Dmitri _________ is the father of modern periodic table.
