Chemistry: Periodicity

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Across
  1. 1. Na2O and MgO both react with acids to give a......... and water.
  2. 3. Heated magnesium and steam gives hydrogen and..
  3. 9. Oxide bonded ionically with some covalent character.
  4. 10. Oxidation state of Mg.
  5. 13. Noble gas in period 3.
  6. 14. .............. forms alkaline solutions in water.
  7. 15. Red and White phosphorus are...
  8. 17. Aluminium oxide and Silicon oxide are both..........in water.
Down
  1. 2. Can act as an acid or a base.
  2. 4. Structure of Magnesium Oxide.
  3. 5. Loss of electrons.
  4. 6. The three elements in period 3 that react with water are; Sodium, Magnesium and.....
  5. 7. Colour of flame when Sodium is heated with oxygen
  6. 8. Structure of Silicon Oxide
  7. 11. Bonding in P4O10.
  8. 12. Colour of flame when sodium is heated with oxygen.
  9. 16. All retains of elements in Period 3 are...