If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p6 3d2 4s2, the four electrons involved in chemical bond formation will be_____.
B. 3p6, 4s2
C. 3p6, 3d2
D. 3d2, 4s2
The outermost orbital is also known as valence orbital and the electrons present in that orbital participate in the bond formation.
For the given electronic-configuration the d and s orbitals are the outermost orbitals.
Thus, the 4 electrons involved in chemical bond formation will be
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