Question

What is another name for group $2$ elements?

Answer 1

We have to know that, the components of gathering $IIA$ have a lot higher liquefying focuses and limits contrasted with those of gathering $IA$ or salt metals. The salts likewise have a gentler and are more lightweight while the soluble earth metals are a lot harder and denser.

Complete answer:
We have to know that alkaline earth metal is another name of group $IIA$ elements. The antacid earth metals are the components that compare to bunch 2 of the advanced occasional table. This gathering of components incorporates beryllium, magnesium, calcium, strontium, barium, and radium. The components of this gathering are very comparative in their physical and substance properties. For instance, all basic earth metals are brilliant white hued solids under standard conditions. They are likewise exceptionally glistening (sparkly) and are very receptive.
Components whose molecules have their s-subshell loaded up with their two valence electrons are called antacid earth metals. Their overall electronic arrangement is (Noble gas) $n{s^2}$ . They possess the second section of the occasional table thus called as gathering two metals too. Instances of alkaline earth metals are Beryllium $\left( {Be} \right)$ , Magnesium $\left( {Mg} \right)$ , Calcium $\left( {Ca} \right)$ , Strontium $\left( {Sr} \right)$ , Barium $\left( {Ba} \right)$ and Radium $\left( {Ra} \right)$ . Basic earth components can lose both s-electrons and henceforth become doubly sure cationic. The cationic span is more modest than the nonpartisan molecule. All things considered, the ionic radii increment down the segment.

Note:
Down the segment, atomic charge increments and another orbital is added to each basic earth atom. Ionic and Atomic sweep increments down the section of the occasional table, the two radii will be more modest than the soluble base metal and bigger than different iotas of a similar period because of charge and option of the electron to a similar energy level.