Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains
A) 79 protons, 79 electrons, and 35 neutrons.
B) 35 protons, 44 neutrons, and 35 electrons.
C) 44 protons, 44 electrons, and 35 neutrons.
D) 34 protons and 35 electrons only.
E) 35 protons, 79 neutrons, and 35 electrons.
Correct Answer:
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