Identify the correct formula of halides of alkaline earth metals from the following.

Identify the correct formula for halides of alkaline earth metals.

Identify the correct formula from the following:

Identify the correct formula from the following:

Alkaline earth metals form ions of the formula

The correct order of solubility of fluorides of alkaline earth metals:

The correct order of hydration energy of alkaline earth metal ions is

Which of the following correctly indicate the formula of halides of alkaline earth metals-

Identify the alkali metal, alkaline earth metal and chalcogen from the following elements: Li, Ca, S, Cu.