What group of elements does the shaded area in the following periodic table indicate?
A)alkali metals
B)alkaline earth metals
C)halogens
D)noble gases

Question

What group of elements does the shaded area in the following periodic table indicate? 
A)alkali metals 
B)alkaline earth metals 
C)halogens 
D)noble gases

Quizplus · Accepted Answer

The shaded area includes the elements in the second column of the periodic table, which are known as the alkaline earth metals. These elements have two valence electrons, making them reactive but not as reactive as the alkali metals in the first column.

What Group of Elements Does the Shaded Area in the Following