The suspension of slaked lime in water is known as

The most abundant metal ion present in the human body is

The correct sequence of thermal stability of the following carbonates is:

Identify the option in which the trends corresponding to hydroxides of group $2$ elements (from $Mg(OH)_2$ to $Ba(OH)_2$) are correctly shown:

Basic character

Chemical stability

Solubility

Assertion : Both $Be$ and $Al$ can form complexes such as $BeF_4^{2-}$ and $AlF_6^{3-}$ respectively,$BeF_6^{3-}$ is not formed.
Reason : In case of $Be$,no vacant $d-$ orbitals are present in its outermost shell.

In which of the following groups all the three members are of the alkaline earth metals family?