Q49 of 149 Page 192

Compare a proton and a neutron in respect of mass and charge.

Proton has relative mass of 1u and it has +1 u charge over it. Whereas neutron also have relative mass of 1u but it do not have any charge over it.


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47

What is a proton? How does it differ from a neutron?

 48

Compare an electron and a proton in respect of mass and charge.

 50

How does an electron differ from a neutron?

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State the location of electrons, protons and neutrons in an atom.