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Q.

The simple Bohr model is not applicable to He4 atom because
a) He4 is an insert gas
b) He4 has neutrons in the nucleus
c) He4 has one more electron
d) Electrons are not subject to central forces

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a

Both c & d are true

b

Both a & b are true

c

Both b & d are true

d

Both a & c are true

answer is B.

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Detailed Solution

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The simple Bohr model is not applicable to He4 atom because He4 has one more electron and electrons are not subject to central forces.

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