How would the nuclei of hydrogen-1 and hydrogen-2 differ?

A. Hydrogen-2 would have an electron; hydrogen-1 does not.
B. Hydrogen-2 would have one neutron in the nucleus; hydrogen-1 does not.
C. Hydrogen-2 would have 2 protons in the nucleus; hydrogen-1 only has 1 proton.
D. They are the same.



Answer :

Final answer:

The nucleus of hydrogen-1 and hydrogen-2 differs in the number of neutrons present.


Explanation:

The nucleus of hydrogen-1 and hydrogen-2 differ in:

  • Hydrogen-2 (deuterium) has one proton and one neutron in the nucleus, while hydrogen-1 only has one proton.

Therefore, the difference lies in the number of neutrons present in their nuclei.


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