Question on: JAMB Biology - 2017

Which scenario would cause a covalent bond to form?

A
Two atoms share electrons so they can fill their outer shells
B
The constant motion of electrons and the creation of charge imbalances bonds two molecules together
C
A hydrogen atom with a slight positive charge is attracted to a negative charge of another molecule or atom
D
One atom loses one or more electrons and the other atom gains one or more electrons
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Correct Option: A

Covalent bonds form so that atoms can become more stable. They do this by sharing electrons, rather than fully gaining or losing them.

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