SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Group of elements whose ending e-configuration is p2. 4 electrons in outer shell. Made up of a nonmetal, metalloids and metals.
A
Boron group
B
Nitrogen group
C
Carbon group
D
Oxygen group
Explanation: 

Detailed explanation-1: -All of the elements in group 16, beginning with oxygen, end with “p4”. The transition elements are called “d block” elements and always end with 1 or more “d electrons”.

Detailed explanation-2: -The Group 4A elements have four valence electrons in their highest-energy orbitals (ns2np2).

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