Ishana92 t1_iyvalhh wrote
Reply to comment by [deleted] in Why not use hydrogen and deuterium in fusion reaction rather than tritium and deuterium? by Curious_user4445
Can you explain why multiples of four matter here?
Qrkchrm t1_iyvcg6u wrote
Just like electrons have orbital shells that affect chemical stability, the nucleus has quantum states with different binding energies. In general even numbers of protons and neutrons are higher binding energy that odd numbers. Helium 4 is particularly high binding energy, as it is double magic.
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