Question

give the biological importance of the group 2​

Answer 1

Answer:

The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).

Answer 2

Answer:

(1) Magnesium ions are important part of chlorophyll in green plants.

(2) Magnesium ions play important role in the synthesis of protein, in regulation of cholesterol level and in the breakdown of glucose and fat molecules.

(3) Calcium ions are important for bones and teeth as apatite $\sf{[Ca_3(PO_4)_2]}$

(4) Calcium ions play a role in blood clotting.

(5) Calcium ions are required for muscle contraction.

(6) Calcium ions are required to maintain regular beating of heart