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. If a substance has an excess number of electrons on its surface, what type of charge does it have?
A positive charge.

A negative charge.

A neutral charge.

A nuclear charge.

Respuesta :

mavila18

Answer:

A negative charge

Explanation:

If there is an excess of electrons in a substance, this will have a negative net charge. This is because electrons have negative charge

q = -1.67*10^{-19}

each electron will contribute with this charge to the total negative net charge of the substance.

hence, the answer is "A negative charge"

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