The elements in groups 1A-8A or 1-2 and 15-18 are known as the
A)main group.
B)metalloids or semimetals.
C)halogens.
D)transition metals.
E)inner transition metals.

Question

Quizplus · Accepted Answer

The elements in groups 1A-8A or 1-2 and 15-18 are known as the main group elements. These elements are located in the main block of the periodic table and have characteristic outer electron configurations (s and p orbitals) that determine many of their chemical properties.

The Elements in Groups 1A-8A or 1-2 and 15-18 Are