what leads to the formation of a covalent bond?\na. the transfer of electrons\nb. the sharing of an electron…

what leads to the formation of a covalent bond?\na. the transfer of electrons\nb. the sharing of an electron pair\nc. the transfer of protons\nd. the sharing of a proton pair
Answer
Brief Explanations:
Covalent bonds form when atoms share electron pairs to achieve a stable electron - configuration. Transfer of electrons forms ionic bonds, and protons are not involved in bond - formation in the ways described in options C and D.
Answer:
B. the sharing of an electron pair