25-01-2020
Biology

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The number of covalent bonds that an atom tends to form is equal to:

A: the number of valence electrons.

B: the number of unbalanced neutrons.

C: the number of unpaired electrons.

D: the atomic number.

E: the number of nearby atoms.

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25-01-2020

C. The number of covalent bonds is equal to the number of unpaired valence electrons. For example, nitrogen and phosphorous both have 3 unpaired valence electrons thus forming 3 covalent bonds.

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