Question

5 essay 5 points what group is this atom in on the periodic table? edit view insert format tools table 12pt paragraph b i u a t²

Explanation:

Step1: Count the valence electrons

The outermost shell has 1 electron.

Step2: Relate to group number

In the periodic table, the number of valence electrons (for main - group elements) gives the group number.

Answer:

Group 1