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IMPORTANT
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Which of the following pair of orbitals have the same number of nodal planes?

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Important Questions on Structure of Atom

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JEE Main
IMPORTANT
The radial and orbital angular momentum of an electron are 3h2πand 32hπ, respectively. The number of radial and angular nodes for the orbital in which the electron is present respectively are:
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JEE Main
IMPORTANT

n, l and m values of orbitals A and B are given below.

             n            l            m
A            3            2             0
B            3            1             0

Which statement about A and B orbitals are correct?

(a) A has more energy than B.

(b) A possess electron density along axial direction only.

(c) B has one angular node and two radial nodes.

(d) Probability of finding electron density in B is zero along x-z plane.

Assume that for d sub-shell, m=0 for dxz orbital and for p sub-shell, m=0 for py orbital.

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JEE Main
IMPORTANT
Which of the following has electron density in the x-y plane? Assume that for 'd' sub-shell, m=0dz2 orbital and m=2dxy orbital.
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JEE Main
IMPORTANT
The probability of finding an electron in the dx2-y2 orbital is high
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IMPORTANT
The total number of nodes, the number of the planar nodes and the number of the radial nodes in case of 4f orbital, respectively are:
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JEE Main
IMPORTANT
Which of the following has the highest energy?
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JEE Main
IMPORTANT
According to Bohr's model, what is the ratio between the kinetic energy and the total energy of the electrons in a hydrogen atom?
MEDIUM
JEE Main
IMPORTANT
In a hydrogen atom, two electrons move around the nucleus in circular orbits of radii, 4R and 9R, respectively. The ratio of the time taken by them to complete one revolution is: