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How is a covalent bond formed between atoms?

A: by the sharing of protons

B: by the sharing of electrons

C: by the transferring of protons

D: transferring electrons

Respuesta :

B. by the sharing of electrons

Answer choices A  and C are incorrect because covalent bonds form as a result of electrons (protons are kind of irrelevant). Answer choice D is incorrect because it describes an ionic bond.

Further study topics: water polarity, hydrogen bonds, free radicals, valence electrons, and more!