What is the valency of calcium?
(atomic number = 20)

6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

8

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $2$
The atomic number of calcium is 20. Its electronic configuration is (2, 8, 8, 2). From electronic configuration, we can see that calcium has two electrons in its outermost shell. Hence the valency will be 2.

Suggest Corrections

Similar questions

20

Atomic number of calcium is 20. Calculate the number of electrons in calcium.

The atomic number of the element calcium is 20. The total number of electrons in calcium is

Join BYJU'S Learning Program