Question

state the group and Period of the element having 3 cells with 3 electrons in valence shell​

Answer 1

Explanation:

elements having 3 valence electrons are

Aluminum

Antimony

Chromium

Arsenic

Bismuth

Answer 2

Answer:

The group no is 13 and period is 3.

Explanation:

An element which has three shells

( it means that n=3) with three electrons (it means that 3 valence electrons). The value of principle quantum no. denotes the period in which an element belongs.