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22-10-2016
Chemistry

contestada

If an atom has 18 protons, 15 neutrons, and 22 electrons, what is the atom's electrical charge?
a. -4
b. 7
c. -3
d. -7

Respuesta :

22-10-2016

Charge = number of proton - number of electron = 18-22 = -4

SO, OPTION A IS YOUR ANSWER........

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