Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the sum of (x), (y) and (z) is:

Question

Accepted Answer

3. Hydrogen's three isotopes have 0 (protium), 1 (deuterium) and 2 (tritium) neutrons. Their sum is 0 + 1 + 2 = 3.

Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the sum of (x), (y) and (z) is:

Solution

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