Chemistry (25 Feb)

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Across
  1. 2. The vertical column of the periodic table
  2. 4. A property of a non-metal is that it forms an __________ oxide
  3. 5. A metal in Group 2 has _________ valence electrons
  4. 7. The chemical symbol of this element is K
  5. 9. The horizontal row of the periodic table
  6. 10. Chlorine is in Group _________
Down
  1. 1. Which of the following is not in Group 1? Sodium / Aluminium / Potassium
  2. 3. A metal has a _______ boiling / melting point
  3. 6. As we go down Group 1, the atoms get bigger. Hence, the electrostatic forces of attraction between the nucleus and the valence electron are __________
  4. 8. As we go down Group 1, the alkali metal becomes _________ reactive