Atomic Mass
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PHYSICS
Atomic Physics
Atomic Mass
Atomic mass reveals a hidden energy cost in the heart of every atom
5 days ago
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Why is the atomic mass of an atom slightly less than the sum of the masses of its protons, neutrons, and electrons?
Because electrons have a much larger mass than protons and neutrons combined.
Because some mass is converted into nuclear binding energy that holds the nucleus together.
Because atomic mass only counts the mass of protons and ignores neutrons and electrons.
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