Sub-shells and Atomic Orbitals

IMPORTANT

Sub-shells and Atomic Orbitals: Overview

This topic covers concepts, such as, Shapes of Orbitals, Energy of a Sub-shell, Sub-Shells of Orbits, Atomic Orbitals, Shape and Orientation of s-Subshell, Shape and Orientation of p-Subshell & Shape and Orientation of d-Sub-shell etc.

Important Questions on Sub-shells and Atomic Orbitals

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Which quantum number provides information about the shape of an orbital?

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Define sub-shells for a shell of an atom.

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The shape of d orbital is

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The shape of p-orbital is dumbbell like.

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The shape of p-orbital is

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The shape of s-orbital is_____.

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Explain the shape of s-orbital on the basis of different parameters.

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Which of the following elements contain non-spherical electron density?

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The five d-orbitals are designated as dxy,dyz,dxz,dx2-y2 and dz2. Choose the correct statement.

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Which of the following orbitals has highest energy?

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Cotyledons are also called-

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The energies of orbitals of hydrogen atom are in the order

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The maximum probability of finding electron in the dxy orbital is:

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For which one of the following sets of four quantum numbers, an electron will have the highest energy?

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The order of filling of electrons in the orbitals of an atom will be

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The electrons, identified by quantum numbers n and l in=4, l=1 iin=4, l=0 iiin=3, l=2 ivn=3, l=1 can be placed in order of increasing energy, from the lowest to highest, as

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The energy of electron in first orbit of He+ is - 871.6 × 1 0 - 2 0 J . The energy of electron in the first orbit of H is :

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In general, the d -orbital involved in sp3 d hybridisation is

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The number of nodal planes in a px orbital is

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What is the probability at the second site, if the electrons were in a pz orbital. The nucleus of an atom is located at x=y=z=0. If the probability of finding an s-orbital electron in a tiny volume around x=a, y=z=0 is 1 × 10 - 5.