Question

Question:
What is an isotope? Name the isotopes of hydrogen and
write symbols for them.​

Answer 1

Answer:

They each have one single proton (Z = 1), but differ in the number of their neutrons. Hydrogen has no neutron, deuterium has one, and tritium has two neutrons. The isotopes of hydrogen have, respectively, mass numbers of one, two, and three. Their nuclear symbols are therefore 1H, 2H, and 3H.

Explanation:

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