Materials and Components
On the basis of the type of chemical bonds, solids may be classified into

Ionic crystals, valence crystals, metal and vander wall crystals
Ionic crystal, valence crystals and metals
Ionic and valence crystals
Ionic crystals

ANSWER DOWNLOAD EXAMIANS APP

Materials and Components
An atom of a rare gas is placed is an electric field E. Then

The nucleus will be shifted in the direction of E by an amount which is independent of E.
The nucleus will be shifted in the direction of E by an amount which is proportional to E.
The nucleus will not be shifted.
The nucleus will be shifted in a direction opposite to that of E.

ANSWER DOWNLOAD EXAMIANS APP