Alloys of $......$ metal are light and strong and so are used in the manufacture of aeroplane parts.

Alkaline earth metals are denser than alkali metals because metallic bonding is:

An element of group $2$ forms a covalent oxide which is amphoteric in nature and dissolves in water to give an amphoteric hydroxide. Identify the element and write chemical reactions of the hydroxide of the element with an alkali and an acid.

The setting of Plaster of Paris is associated with which of the following?

Which of the following alkaline earth metals shows anomalous behavior and has an electronegativity similar to that of aluminum?

Which of the following on thermal decomposition gives both basic and acidic oxides?