Question

Explain why H31 and H32 are not considered isotopes.

Answer 1

Answer:

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Answer 2

Explanation:

• The atoms of 1,3 hydrogen atom and helium 1,3 atoms are not considered pair of isotopes because they have different atomic numbers.
• An isotopic pair must have the same atomic number and different mass because of different number of electrons present in the nucleus of the atom of the element.
• But in this case the atomic mass of Hydrogen and Helium is same but atomic number is different. Hence, they are isobars but not isotopes.