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The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respectively. The number of electrons present in the M-shells of these elements follow the order.
  • a)
    Z > X > Y
  • b)
    X > Y > Z
  • c)
    Z > Y > X
  • d)
    Y > Z > X
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respecti...
 
19(X) = 1s2 2s2 2p6 3s2 3p6 4s1
so M shell means 3rd shell has 8 electrons
21(Y) = 1s2 2s2 2p6 3s2 3p6 4s2 3d1
so M shell has 9 electrons
25(Z) = 1s2 2s2 2p6 3s2 3p6 4s2 3d5
so M shell has 13 electrons hence the order is Z>Y>X
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Most Upvoted Answer
The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respecti...
Filling of electrons in k LM..shells ingreesing with atomic number.so in the order C
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The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respecti...
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The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respectively. The number of electrons present in the M-shells of these elements follow the order.a)Z > X > Yb)X > Y > Zc)Z > Y > Xd)Y > Z > XCorrect answer is option 'C'. Can you explain this answer?
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The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respectively. The number of electrons present in the M-shells of these elements follow the order.a)Z > X > Yb)X > Y > Zc)Z > Y > Xd)Y > Z > XCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respectively. The number of electrons present in the M-shells of these elements follow the order.a)Z > X > Yb)X > Y > Zc)Z > Y > Xd)Y > Z > XCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The atomic numbers of elements X, Y, and Z are 19, 21, and 25 respectively. The number of electrons present in the M-shells of these elements follow the order.a)Z > X > Yb)X > Y > Zc)Z > Y > Xd)Y > Z > XCorrect answer is option 'C'. Can you explain this answer?.
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