A) Atomic number
B) Atomic mass
C) Spins of protons
D) Number of neutron
Correct Answer: A
Solution :
[a] Atomic number Ortho hydrogen molecules are those in which spins of both nuclei are in the same direction. Molecules of hydrogen in which spins of both nuclei are in opposite direction are called para hydrogen. They are similar in chemical properties.You need to login to perform this action.
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