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In which of these cases do we have enough information to say that the atom is electrically neutral?
a. the atom has 4 neutrons and 4 protons.
b. the atom has 7 protons and 7 electrons.
c. the atom has 19 electrons and 19 neutrons.
d. the atom has 15 neutrons and 15 electrons.
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In which of these cases do we have enough information to say that the atom is electrically neutral?...
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