In $H$ atom,an orbit has a diameter of about $16.92 \ \mathring{A}$. What is the maximum number of electrons that can be accommodated in this orbit?
- A$16$
- B$32$
- C$64$
- D$8$
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Similar Questions
The statement that is $NOT$ correct is:
MediumKCET 2014
View SolutionMatch the following laws with their correct statements:
Laws Statements $(1)$ Hund's Rule $(A)$ No two electrons in an atom can have the same set of all four quantum numbers. $(2)$ Aufbau Principle $(B)$ Half-filled and fully-filled orbitals have greater stability. $(3)$ Pauli Exclusion Principle $(C)$ Electrons prefer to remain unpaired in degenerate orbitals first. $(4)$ Heisenberg's Uncertainty Principle $(D)$ It is impossible to determine simultaneously the exact position and exact momentum of an electron. $(E)$ In the ground state of atoms,orbitals are filled in the order of increasing energy.
| Laws | Statements |
|---|---|
| $(1)$ Hund's Rule | $(A)$ No two electrons in an atom can have the same set of all four quantum numbers. |
| $(2)$ Aufbau Principle | $(B)$ Half-filled and fully-filled orbitals have greater stability. |
| $(3)$ Pauli Exclusion Principle | $(C)$ Electrons prefer to remain unpaired in degenerate orbitals first. |
| $(4)$ Heisenberg's Uncertainty Principle | $(D)$ It is impossible to determine simultaneously the exact position and exact momentum of an electron. |
| $(E)$ In the ground state of atoms,orbitals are filled in the order of increasing energy. |
Medium
View SolutionThe shape of the probability distribution curve for the $2s$ orbital is .........
Difficult
View SolutionMatch the equations given in List-$I$ with their names in List-$II$.
List-$I$ List-$II$ $(1)$ $\Delta x \cdot \Delta p \ge \frac{h}{4\pi}$ $(A)$ De Broglie equation $(2)$ $mvr \ge \frac{nh}{2\pi}$ $(B)$ Uncertainty principle $(3)$ $\lambda = \frac{h}{\sqrt{2m(KE)}}$ $(C)$ Frequency equation of $H$-spectrum $(4)$ $\nu = 3.29 \times 10^{15} \left( \frac{1}{n_i^2} - \frac{1}{n_f^2} \right)$ $(D)$ Angular momentum is quantized
| List-$I$ | List-$II$ |
| $(1)$ $\Delta x \cdot \Delta p \ge \frac{h}{4\pi}$ | $(A)$ De Broglie equation |
| $(2)$ $mvr \ge \frac{nh}{2\pi}$ | $(B)$ Uncertainty principle |
| $(3)$ $\lambda = \frac{h}{\sqrt{2m(KE)}}$ | $(C)$ Frequency equation of $H$-spectrum |
| $(4)$ $\nu = 3.29 \times 10^{15} \left( \frac{1}{n_i^2} - \frac{1}{n_f^2} \right)$ | $(D)$ Angular momentum is quantized |
Medium
View SolutionMatch the following columns:
Column-$I$ Column-$II$ $(1)$ Photon $(A)$ Value of $4$ for $N$ shell $(2)$ Electron $(B)$ Probability density $(3)$ $\psi^2$ $(C)$ Always $+$ value $(4)$ Principal quantum number $(n)$ $(D)$ Represents wavelength and momentum
| Column-$I$ | Column-$II$ |
|---|---|
| $(1)$ Photon | $(A)$ Value of $4$ for $N$ shell |
| $(2)$ Electron | $(B)$ Probability density |
| $(3)$ $\psi^2$ | $(C)$ Always $+$ value |
| $(4)$ Principal quantum number $(n)$ | $(D)$ Represents wavelength and momentum |
Medium
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