The elements indicated by the shaded area in the following periodic table are all
A)main-group elements.
B)main-group metals.
C)nonmetals.
D)semimetals.

Question

The elements indicated by the shaded area in the following periodic table are all 
A)main-group elements. 
B)main-group metals. 
C)nonmetals. 
D)semimetals.

Quizplus · Accepted Answer

The shaded area includes elements in groups 1, 2, and 13-18, which are all part of the main group or representative elements. These elements generally have predictable properties and valence electron configurations, and are found in the s and p blocks of the periodic table.

The Elements Indicated by the Shaded Area in the Following