Question

what is the symbol for the element in the second family on the third period? * 1 point

Explanation:

Step1: Locate the third period

The third - row of the periodic table is the third period.

Step2: Locate the second family (group)

The second column of the periodic table is group 2.

Step3: Find the element at the intersection

The element at the intersection of the third period and the second group is Magnesium, with symbol Mg.

Answer:

Mg