Question

what is meant by 2 in the formula of magnesium chloride mgcl2

Answer 1

2 refers to the number of chlorine atoms

Answer 2

Hi ,


here is your answer !!!




magnesium cloride is formed by sharing of electon .


Magnesium have valency of 12


so , electronic configuration =>


2 , 8 , 2


to attend stability. magnesium donate 2 electron



same case


in chlorine there is 17 electon

electronic configuration =>


2 , 8 ,7



hence clorine have -1 valency .

now ,


MgCl2


here , 2 represent the number of atom.



hope it helps you dear!!!


thanks !!!