A Level Chemistry 9701/12/O/N/20 Q35

Question

Group 2 elements and their compounds show trends in their physical and chemical properties.
Barium is above radium in Group 2 of the Periodic Table.
Which statements are likely to be correct?
1 Barium hydroxide is less soluble than radium hydroxide.
2 Barium reacts less vigorously with water than radium does.
3 Barium sulfate is more soluble than radium sulfate.

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    2021-08-15T21:07:53+08:00

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