Potassium is more reactive than calcium. Explain.

Alkaline earth metals and their ions are smaller in size than those of group 1. Why?

Alkaline earth metals have less electropositive character than the corresponding alkali metals. Why?

Why solubility of alkaline earth metal compounds are comparatively less than the corresponding alkali metal compounds in water?

Arrange the following in the increasing order of the property indicated:
KCl, MgCl₂,  CaCl₂, BeCl₂ - Ionic character.

Arrange the following in the increasing order of solubility in water: MgCl₂, CaCl₂, SrCl₂, BaCl₂.

Name the covalent compound from the following: NaCl, BeCl₂, MgCl₂.

What is hydrolith?

Compare the first and second ionisation enthalpies of sodium and magnesium.

60.

Which of the alkaline earth metals from complexes?