Deuterium is an isotope of hydrogen. It has a mass number of two. Which describes a deuterium atom?
choices:
A. a nucleus of one proton and one neutron, which is orbited by one electron
B. a nucleus of one proton, which is orbited by one neutron and one electron
C. a nucleus of one neutron, which is orbited by one electron
D. a nucleus of two neutrons which is orbited by two electrons
Answers: 3
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Deuterium is an isotope of hydrogen. It has a mass number of two. Which describes a deuterium atom?...
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