A neutral atom has the following electronic configuration: 1s 2 2s 2 2p 6 3s 2 3p 5
-To which group of the periodic table does this element belong?
A)I
B)II
C)III
D)VI
E)VII

Question

A neutral atom has the following electronic configuration: 1s 2 2s 2 2p 6 3s 2 3p 5 
-To which group of the periodic table does this element belong?
A)I
B)II
C)III
D)VI
E)VII

Quizplus · Accepted Answer

The electronic configuration suggests that the element has 7 valence electrons, which indicates that it belongs to group VII (also known as group 17 or the halogens) of the periodic table.

A Neutral Atom Has the Following Electronic Configuration: 1s2 2s2

A Neutral Atom Has the Following Electronic Configuration: 1s² 2s²