The electrons present in the “p” orbitals of the last shell (principal energy
level) of silicon is 6 . The principal energy level is the one which is closest to
the nucleus.
Silicon is an element which has an atomic number of 14. The electronic
configuration is also given as
1s²2s²2p⁶3s²3p².
The electronic configuration which is shown above has p orbitals of the
shell closest to the nucleus which has the ability to hold only a total of 6
electrons. This makes 6 electrons the right choice in the number of electrons
present in the principal energy level.
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