Question

Is there anything that has mass but no charge?

Answer 1

Unlike protons and electrons, which are electrically charged, neutrons have no charge - they are electrically neutral. ... The zero stands for "zero charge". The mass of a neutron is slightly greater than the mass of a proton, which is 1 atomic mass unit

Answer 2

Hey !

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Anything which has mass and occupies space. This definition makes me wonder whether something with mass can have zero volume.

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Thanks !