Multiple Choice
One atomic mass unit is equal to one-twelfth of the mass of an atom of _____.
A) carbon with six protons and six neutrons
B) hydrogen with one proton and one neutron
C) oxygen with eight protons and eight neutrons
D) sodium with 11 atoms and 12 neutrons
E) magnesium with 12 atoms and 12 neutrons
Correct Answer:
Verified
Correct Answer:
Verified
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