Question

Hydrogen exists in three isotopic forms, 11H, 21H, 31H known as protium, deuterium and tritium. Why are all the isotopes neutral in nature?
(a) Since neutrons are neutral in nature hence isotopes are electrically neutral.
(b) All the isotopes have one electron and one proton, hence they are neutral.
(c) All the isotopes have one proton and one neutron, hence they are neutral.
(d) Increasing number of protons in the isotopes make them neutral.
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Answer 1

Answer: (b) All the isotopes have one electron and one proton, hence they are neutral.

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