Describe fully what is observed when magnesium and strontium are heated separately in oxygen. magnesium \ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\\ strontium \ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots\ldots
Write an equation for each reaction below. Include state symbols. calcium is burned in air. calcium carbonate is heated strongly.
Calcium hydroxide is produced when water is added to calcium oxide. Calcium hydroxide and calcium carbonate are both used in agriculture. Describe the main advantage of adding calcium hydroxide or calcium carbonate to soil.
Explain why the Group $2$ hydroxides are more soluble lower down the group.
Describe the observations, if any, that you would make when: • a few drops of $\text{NaOH}(aq)$ are added to $\text{BaCl}_2(aq)$ • a few drops of $\text{H}_2\text{SO}_4(aq)$ are added to $\text{BaCl}_2(aq)$.
Describe and explain how the thermal stability of the Group $2$ carbonates changes down the group.