Periodicity of physical properties

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Across
  1. 2. what happens to the radius of an atom as the atomic number increases
  2. 4. the amount of energy needed to delocalise the first electron
  3. 7. electrons orbit on _____
  4. 9. the distance from the nucleus to the outer shell
  5. 10. the tendency of an atom to attract electrons to form an ionic bond
Down
  1. 1. which elements have the lowest melting/boiling points
  2. 3. what structure is Cl2?
  3. 5. what happens to the electronegativity as you go from the left to the right on the periodic table
  4. 6. measure of the amount of electrical current a material can carry.
  5. 8. the highest point on an ionisation graph