Topic 4: Inorganic Chemistry and the Periodic Table

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  • Created by: LouiseG
  • Created on: 16-04-16 08:30

1. Why is Mg (carbonate and nitrate) the least thermally stable of the G2 elements ?

  • Magnesium isn't the least thermally stable, Barium is.
  • Magnesium has the smallest ionic radius as a 2+ cation so a greater polarising ability (more charge dense)
  • Magnesium has the largest nuclear charge so can most easily pull apart the electron cloud
  • Magnesium forms radioactive carbonates and nitrates that are unstable and break down
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Other questions in this quiz

2. When NaBr reacts with H2SO4, which of these is not a possible product?

  • Br2
  • H2S
  • SO2
  • NaHSO4

3. How are the hydrogen halides best described?

  • Misty white fumes
  • Dense white smoke
  • Green/brown/violet vapours
  • Alkaline acids that turn damp red litmus paper blue

4. What is the trend in ionisation energy down group 2?

  • It decreases due to the replusion and number of quantum shells increasing
  • It increases up to Calcium then drops sharply
  • It increases due to the increased nuclear charge
  • It decreases due to the size of the metallic radius decreasing

5. Which of these is not a property that decreases down the halogen group?

  • Electronegativity
  • Reducing ability
  • Reactivity
  • Oxidising power


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