Across
- 2. Found in hot air balloons
- 4. Group 8 elements are noble ____________
- 7. The elements that do not belong to any groups are called ____________ metals
- 9. Lithium and sodium have the same _________ properties
- 12. This element receives an electron during bonding with a metal, hence it belongs to group ____________
- 14. Elements in group 2 in the periodic table have a _________ of two
- 15. Fluorine gas exist as a __________ molecule
- 16. Magnesium and sulfur are from the same period
Down
- 1. Neon is not involved in any reaction because it is _____________
- 2. Group 7 elements are also called __________
- 3. Elements in the periodic table are arranged in an _____________ atomic number
- 5. The non-metals occupy the _________ side of the periodic table
- 6. This ion has an electron configuration of 2,8,8 as an ion. It forms an oxide that turns red litmus blue
- 8. Elements in group 3 have __________ electron shells
- 10. Going down group I, the elements become more ____________
- 11. Elements on the left of the periodic table forms ___________ ions
- 13. Carbon and lead are from the same _____________
