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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?
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Verified 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)
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Most Upvoted Answer
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.
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Give the name and atomic number of the inert gas atom in which the tot...
A)kr(atomic no.=36)
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Attempt All sub parts from each question.Atomic Hypothesis in Ancient India and Greece Though John Dalton is credited with the introduction of atomic view point in modern science, scholars in ancient India and Greece conjectured long before the existence of atoms and molecules. In the Vaisheshika school of thought in India founded by Kanada (Sixth century B.C.) the atomic picture was developed in considerable detail. Atoms were thought to be eternal, indivisible, infinitesimal and ultimate parts of matter. It was argued that if matter could be subdivided without an end, there would be no difference between a mustard seed and the Meru mountain. The four kinds of atoms (Paramanu — Sanskrit word for the smallest particl e) postulated were Bhoomi (Earth), Ap (water), Tejas (fire) and Vayu (air) that have characteristic mass and other attributes, we re propounded. Akasa (space) was thought to have no atomic structure and was continuous and inert. Atoms combine to form different molecules (e.g. two atoms combine to form a diatomic molecule dvyanuka, three atoms form a tryanuka or a triatomic molecule), their properties depending upon the nature and ratio of the constituent atoms. The size of the atoms was also estimated, by conjecture or by methods that are not known to us. The estimates vary. In Lalitavistara, a famous biography of the Buddha written mainly in the second century B.C., the estimate is close to the modern estimate of atomic size, of the order of 10–10 m. In ancient Greece, Democritus (Fourth century B.C.) is best known for his atomic hypothesis. The word ‘atom’ means ‘indivisible’ in Greek. According to him, atoms differ from each other physically, in shape, size and other properties and this resulted in the different properties of the substances formed by their combination. The atoms of water were smooth and round and unable to ‘hook’ on to each other, which is why liquid /water flows easily. The atoms of earth were rough and jagged, so they held together to form hard substances. The atoms of fire were thorny which is why it caused painful burns. These fascinating ideas, despite their ingenuity, could not evolve much further, perhaps because they were intuitive conjectures and speculations not tested and modified by quantitative experiments–the hallmark of modern science.Q. In Greek, “atom” means

Attempt All sub parts from each question.Atomic Hypothesis in Ancient India and Greece Though John Dalton is credited with the introduction of atomic view point in modern science, scholars in ancient India and Greece conjectured long before the existence of atoms and molecules. In the Vaisheshika school of thought in India founded by Kanada (Sixth century B.C.) the atomic picture was developed in considerable detail. Atoms were thought to be eternal, indivisible, infinitesimal and ultimate parts of matter. It was argued that if matter could be subdivided without an end, there would be no difference between a mustard seed and the Meru mountain. The four kinds of atoms (Paramanu — Sanskrit word for the smallest particl e) postulated were Bhoomi (Earth), Ap (water), Tejas (fire) and Vayu (air) that have characteristic mass and other attributes, we re propounded. Akasa (space) was thought to have no atomic structure and was continuous and inert. Atoms combine to form different molecules (e.g. two atoms combine to form a diatomic molecule dvyanuka, three atoms form a tryanuka or a triatomic molecule), their properties depending upon the nature and ratio of the constituent atoms. The size of the atoms was also estimated, by conjecture or by methods that are not known to us. The estimates vary. In Lalitavistara, a famous biography of the Buddha written mainly in the second century B.C., the estimate is close to the modern estimate of atomic size, of the order of 10–10 m. In ancient Greece, Democritus (Fourth century B.C.) is best known for his atomic hypothesis. The word ‘atom’ means ‘indivisible’ in Greek. According to him, atoms differ from each other physically, in shape, size and other properties and this resulted in the different properties of the substances formed by their combination. The atoms of water were smooth and round and unable to ‘hook’ on to each other, which is why liquid /water flows easily. The atoms of earth were rough and jagged, so they held together to form hard substances. The atoms of fire were thorny which is why it caused painful burns. These fascinating ideas, despite their ingenuity, could not evolve much further, perhaps because they were intuitive conjectures and speculations not tested and modified by quantitative experiments–the hallmark of modern science.Q. In ancient Greece, who is best known for his atomic hypothesis?

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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?
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