The number of protons, neutrons and electrons in 71 175 Lu , respectively, are

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Question: Answered & Verified by Expert

The number of protons, neutrons and electrons in

_{71}^{175} Lu

, respectively, are

ChemistryStructure of AtomNEETNEET 2020 (Phase 1)

Options:

A $104, 71$ and $71$
B $71, 71$ and $104$
C $175, 104$ and $71$
D $71, 104$ and $71$

Solution:

1835 Upvotes Verified Answer

The correct answer is:

71, 104

and

71

${}_{71}^{175}{Lu}$

$protons = 71$

$neutrons = mass number - protons = 175 - 71 = 104$

$electrons = 71$

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