Year 11 Chemistry 1

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Across
  1. 2. Forms of an element with varying numbers of neutrons.
  2. 3. Substances with covalent bonds can conduct what when they are molten or in solution.
  3. 4. The columns of the Periodic Table.
  4. 5. An atom with a positive or negative charge.
  5. 6. A negative ion.
  6. 7. This bond type involves the sharing of electrons.
  7. 9. A positive ion.
  8. 10. The rows of the Periodic Table.
Down
  1. 1. These are weak between the molecules of simple molecular substances which means they can melt or evaporate with less energy.
  2. 5. This bond type involves electrostatic forces of attraction of oppositely charged ions.
  3. 8. This is a mixture of metals and sometimes non-metals to give it desired properties.