Multiple Choice
The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes.Rhenium-185 has in its nucleus
A) 75 protons,75 neutrons
B) 75 protons,130 neutrons
C) 130 protons,75 neutrons
D) 75 protons,110 neutrons
E) not enough information
Correct Answer:

Verified
Correct Answer:
Verified
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