A covalent bond is formed A. when one or more electrons are transferred
from one atom to another.
B. by the sharing of electrons between atoms.
C. the same way an ionic bond is formed.
D. when ions are created.

B

Explanation:

A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms. These electrons are simultaneously attracted by the two atomic nuclei. A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions.

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