Question

What is the electrovalency of calcium in limestone

Answer 1

Answer:

Electrovalency is shown by atoms when it looses or gains electrons in order to attain stability. Electrovalency is seen in ionic bonds. Electrovalency is equal to the number of electrons lost or gained by atom to form ion.

Example:- CaCl

2

Formation of Ca

2

+

(Cl

−

)

2

Electrovalency of Calcium is +2 and is called positive electrovalency.

Electrovalency of Chlorine is −1 and is called negative electrovalency.