Materials and Components
In a metal, the valence electrons

Are shared only between neighbouring atoms
Either B or C
Are shared by all atoms
Are not shared

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

ANSWER DOWNLOAD EXAMIANS APP