Question

is hydrogen and helium isotonic?
Please answer this with reason​

Answer 1

normal Hydrogen and helium is not isotonic. Tritium is a part of hydrogen.

But Tritium and Helium is isotonic.

Because...... Tritium has 2 neutrons.

besides, Helium also has 2 neutrons.

Tritium

neutrons =3-1=2

Helium

neutrons 4-2=2

Tritium neutrons = helium neutrons =2

so they are isotonic.

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