SODIUM CROSSWORD

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Across
  1. 1. Sodium has 11 of these.
  2. 5. Add this to Sodium to become Sodium Chloride.
  3. 6. The man who discovered Sodium, Sir Humphrey ....?
  4. 7. Sodium's normal phase.
  5. 8. Sodium has 12 of these.
Down
  1. 2. Sodium is essential for this.
  2. 3. Do yourself a favour, add Sodium for ....?
  3. 4. Sodium's classification is an Alkali ....?