Respuesta :
C. Two negative charges
- If an atom has an equal number of protons and electrons, its net charge is 0.
- If it gains an extra electron, it becomes negatively charged and is known as an anion.
- If it loses an electron, it becomes positively charged and is known as a cation.
Given condition: An atom gains two electrons during the formation of a bond.
As we know gaining an electron results in a negative charge and here two electrons being gained.
Therefore, the charge on it after gaining two electrons will be two negative charges.
Thus, the correct option is option C.
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