Chemistry 9701 · AS & A Level · Group 2

Group 2 — practice question

X is a Group 2 element that lies in either Period 3 or Period 5. $X(\text{OH})_2$ has a lower solubility in water than $\text{Ca(OH)}_2$. If $X(\text{NO}_3)_2$ is heated, it breaks down. Which row is the correct one?

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