In the group of elements Cr,Ni,Sn,Pt,Ti,the one which is a main group element is ________.
A)Ni
B)Sn
C)Ti
D)Pt
E)Cr

Question

Quizplus · Accepted Answer

Sn (Tin) is the only main group element in the given group. It is located in group 14 of the periodic table and has a valence shell electron configuration of s²p², which classifies it as a main group element. The rest of the listed elements are transition metals, which have partially filled d-orbitals in their valence shell and are not classified as main group elements.

In the Group of Elements Cr,Ni,Sn,Pt,Ti,the One Which Is a Main