Question

multiple choice question
what describes a covalent bond?
atoms share a pair of electrons.
one atom pulls an electron from another atom, forming a cation and an anion.
one atom donates an electron to another atom.
atoms with opposite partial charges are attracted to each other.
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Explanation:

A covalent bond is formed when atoms share a pair of electrons. The other options describe ionic - bond related processes (one atom pulling an electron to form ions, one atom donating an electron) or dipole - dipole interactions (atoms with opposite partial charges being attracted).

Answer:

Atoms share a pair of electrons.