Q14
The nucleus of a hydrogen atom consists of
A.
1 proton only
AnswerB.
1 proton + 2 neutron
C.
1 neutron only
D.
1 electron only
Answer: Option A
Solution
Answer: Option A
Solution:
Most hydrogen atoms have nuclei that consist of a single proton, but a small fraction (about 0.015 percent) of the hydrogen atoms that occur in Nature have one neutron in addition to the proton in their nuclei.