The table below provides some information about an unidentified element. based on this information, the unidentified element is best classified as which of the following? a) a metal in group 1 b) a metal in group 14 c) a nonmetal in period 4 d) a metalloid in period 5

In the physical properties, it is mentioned that the element has 4 valence electrons. The elements in the periodic table are arranged such that, the number of valence electrons present in the neutral atoms belonging to a particular group  is equal to the group number.

Thus, the unidentified element can be best classified as a nonmetal in period 4

Ans C)