Q.

Arrange fundamental particles of an atom in increasing order of its weight

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a

Neutron > Electron > Proton

b

Electron < Neutron < Proton

c

Electron < Proton < Neutron

d

Proton < Neutron < Electron

answer is B.

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Detailed Solution

The mass of three fundamental particles are given below. me-=9.109×10-31 Kg;mp=1.673×10-27 Kg;Mn=1.675×10-27KgTherefore, increasing order of the weight of fundamental particles is

Electron < Proton < Neutron

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