Chemical Bonding (Bridging for Sec 2)

1234567891011
Across
  1. 2. What is the total number of groups in the periodic table?
  2. 4. What is the name of the horizontal row in the periodic table?
  3. 6. What is the type of bonding where there is transfer of electrons between a metallic atom and a non-metallic atom?
  4. 8. What is another term used for nucleon number? _____ number
  5. 9. What is the type of bonding where there is sharing of electrons between non-metallic atoms?
  6. 11. How many electrons will an aluminium atom lose to become an aluminium ion?
Down
  1. 1. What is the name of the subatomic particle that has no charge?
  2. 3. What is the name of the atom that has the same number of electrons as potassium ion?
  3. 5. What is the name of the subatomic particle that has negative charge?
  4. 7. What is the term used for electrons in the outermost electron shell?
  5. 10. What is the total number of atoms in an diatomic molecule?