In counting the electron domains around the central atom in vsepr theory, a is not included.
a. nonbonding pair of electrons
b. core level electron pair
c. double covalent bond
d. single covalent bond
e. triple covalent bond

B

Explanation:

In counting the electron domains around the central atom in VSEPR theory, a Core level electron pair is not included.

Core level electron pair are the electrons other than the electrons in the valency shell of an atom. They in the proximity of the nucleus. They do not participate in the bonding.

VSEPR is the abbreviation for Valence shell Electron Pair repulsion theory. VESPR is a model for predicting molecular geometries based on the reduction in the electrostatic repulsion of the valence electrons of a molecule around a central atom.

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explanation: no but i do not usually comment