Across
- 3. what element has an atomic number of 27 neutron subatomic particle found in the nucleus
- 4. what element has an atomic mass of 4.0026
- 5. what element has an atomic mass of 22.990
- 8. what is the atomic number of niobium
- 12. what is the atomic mass of krypton
- 14. what group is oxygen in on the periodic table
- 15. what element is Pb on the periodic table
- 16. what element is Sn on the periodic table
- 17. what element has an atomic mass of 12.011
Down
- 1. what element is Zn on the periodic table
- 2. what element has an atomic mass of 47.88
- 4. what element has an atomic number of 1
- 6. what abbreviation does gold have
- 7. what is the atomic number of iron
- 9. what group is Mercury in on the periodic table
- 10. how much groups are there on the periodic table
- 11. what element has an atomic mass of 20.179
- 13. what element has an atomic mass of 196.59
- 14. what element has an atomic number of 47