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Give the name and atomic number of the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons.
- a)Kr ( atomic no.=36)
- b)Br ( atomic no.=35
- c)Cl ( atomic no.=17)
- d)As ( atomic no.=33)
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Give the name and atomic number of the inert gas atom in which the tot...
It is Krypton .
Electronic configuration: 1s22s22p63s23p64s23d104p6
Number of electrons in s orbital are 8
Number of electrons in p orbital are 18
Number of electrons in d orbitals are 10 (18-8=10)
Electronic configuration: 1s22s22p63s23p64s23d104p6
Number of electrons in s orbital are 8
Number of electrons in p orbital are 18
Number of electrons in d orbitals are 10 (18-8=10)
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Give the name and atomic number of the inert gas atom in which the tot...
Explanation:
To determine the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons, we need to analyze the electron configuration of the inert gases and compare the numbers of electrons in the d, p, and s orbitals.
Electron Configuration of Inert Gases:
- The atomic number of Kr (Krypton) is 36, and its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶.
- The atomic number of Br (Bromine) is 35, and it is not an inert gas.
- The atomic number of Cl (Chlorine) is 17, and it is not an inert gas.
- The atomic number of As (Arsenic) is 33, and it is not an inert gas.
Analysis:
To find the inert gas in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons, we need to calculate the number of electrons in the d, p, and s orbitals for each of the given options.
Calculation:
1. Kr (Krypton):
- The total number of d-electrons = 10 (from 3d)
- The total number of p-electrons = 6 (from 4p)
- The total number of s-electrons = 2 (from 4s)
- The difference between the numbers of total p and total s electrons = 6 - 2 = 4
- The total number of d-electrons is equal to the difference between the numbers of total p and total s electrons (10 = 4)
Conclusion:
The inert gas atom that satisfies the given condition is Kr (Krypton) with an atomic number of 36.
To determine the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons, we need to analyze the electron configuration of the inert gases and compare the numbers of electrons in the d, p, and s orbitals.
Electron Configuration of Inert Gases:
- The atomic number of Kr (Krypton) is 36, and its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶.
- The atomic number of Br (Bromine) is 35, and it is not an inert gas.
- The atomic number of Cl (Chlorine) is 17, and it is not an inert gas.
- The atomic number of As (Arsenic) is 33, and it is not an inert gas.
Analysis:
To find the inert gas in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons, we need to calculate the number of electrons in the d, p, and s orbitals for each of the given options.
Calculation:
1. Kr (Krypton):
- The total number of d-electrons = 10 (from 3d)
- The total number of p-electrons = 6 (from 4p)
- The total number of s-electrons = 2 (from 4s)
- The difference between the numbers of total p and total s electrons = 6 - 2 = 4
- The total number of d-electrons is equal to the difference between the numbers of total p and total s electrons (10 = 4)
Conclusion:
The inert gas atom that satisfies the given condition is Kr (Krypton) with an atomic number of 36.
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Give the name and atomic number of the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons.a)Kr ( atomic no.=36)b)Br ( atomic no.=35c)Cl ( atomic no.=17)d)As ( atomic no.=33)Correct answer is option 'A'. Can you explain this answer? for Class 11 2026 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Give the name and atomic number of the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons.a)Kr ( atomic no.=36)b)Br ( atomic no.=35c)Cl ( atomic no.=17)d)As ( atomic no.=33)Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Give the name and atomic number of the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons.a)Kr ( atomic no.=36)b)Br ( atomic no.=35c)Cl ( atomic no.=17)d)As ( atomic no.=33)Correct answer is option 'A'. Can you explain this answer?.
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