Which of the following sets of elements is not included in the main body of the periodic table and is shown separately at the bottom?
A) halogens
B) noble gases
C) inner transition elements
D) main group elements

Question

Quizplus · Accepted Answer

Inner transition elements, also known as lanthanides and actinides, are not included in the main body of the periodic table and are shown separately at the bottom. The halogens, noble gases, and main group elements are all part of the main body of the periodic table.

Which of the Following Sets of Elements Is Not Included