Problem 36P
Which statements about protons are false?
(a) Protons have about the same mass as neutrons.
(b) Protons have about the same mass as electrons.
(c) Some atoms don't have any protons.
(d) Protons have the same magnitude of charge as neutrons but are opposite in sign.
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Solution 36P
Protons are located in the nucleus of atoms, together with any neutrons also present in the atom. Protons have a positive (+1) charge, which balances the negative (-1) charge of the electrons that surround the nuclei of atoms.
(a)protons have mass slightly less than that of a neutron.
(b)This explains why the mass of a proton seems excessive compared to an electron. Quarks are never found alone...
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Chapter 4, Problem 36P is Solved
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