Home
Class 7
CHEMISTRY
The valency of helium is zero....

The valency of helium is zero.

Text Solution

Verified by Experts

The correct Answer is:
True
Helium possesses stable duplet configuration with 2 electrons in the first shell. Hence, its valency is zero.
Promotional Banner

Similar Questions

Explore conceptually related problems

The valency of an element is

The valency of an element is determined by the valence electrons present in an atom of the element .

Calculate the temperature at which sound travels in hydrogen with the same speed as in helium at N.T.P. The density of helium is twice that of hydrogen.

The valency of phosphorus is

Assertion: Magnetic moment of helium atom is zero. Reason: All the electron are electron are paired in helium atom orbitals.

The valency of hydrogen is 1, magnesium, 2 aluminium 3 and carbon 4 . Can you see any connection between the valency of an element and the number of electrons it has in its outermost electron shell ? What would you predict the valencies of helium (He), phosphorus (P), sulphur (S) and neon (Ne) to be ?