Periodic Table

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