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Group 2, the alkaline earth metals

Explain why the atomic radius increases from magnesium to barium.

A
  • Each element has an extra electron shell.
  • Increased shielding cancels the increased nuclear charge.
B
  • Each element has an extra electron shell.
  • Increased nuclear charge outweighs the increased shielding.
C
  • Each element has one fewer electron shell.
  • Decreased shielding weakens the nuclear attraction.
D
  • Each element has the same number of electron shells.
  • Increased nuclear charge pulls the outer electrons closer.

Group 2, the alkaline earth metals Flashcards

  1. A Level
  2. /Chemistry
  3. /Group 2, the alkaline earth metals

Flashcards for AQA A Level Chemistry Group 2, the alkaline earth metals, covering the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3. 24 cards drawn from Group 2, the alkaline earth metals, matched to the AQA A Level Chemistry (7405) specification. Recall questions account for roughly 30% of marks at A Level Chemistry, so these target the marks you can secure before the paper starts.