HSC Science (Computer Science) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions

Write orbital notations for the electron in orbitals with the following quantum numbers.

n = 3, l = 2

Write electronic configurations of \[\ce{Fe, Fe2+, Fe3+}\].

Write condensed orbital notation of electronic configuration of the following element:

Lithium (Z = 3)

Write condensed orbital notation of electronic configuration of the following element:

Carbon (Z = 6)

Write condensed orbital notation of electronic configuration of the following element:

Oxygen (Z = 8)

Write condensed orbital notation of electronic configuration of the following element:

Silicon (Z = 14)

Write condensed orbital notation of electronic configuration of the following element:

Chlorine (Z = 17)

Write condensed orbital notation of electronic configuration of the following element:

Calcium (Z = 20)

Draw shapes of 2s orbitals.

Draw shapes of 2p orbitals.

Explain in brief, the significance of the azimuthal quantum number.

If n = 3, what are the quantum number l and m?

The electronic configuration of oxygen is written as 1s² 2s² \[\ce{2p^2_{{x}}}\] \[\ce{2p^1_{{y}}}\] \[\ce{2p^1_{{z}}}\] and not as 1s² 2s² \[\ce{2p^2_{{x}}}\], \[\ce{2p^2_{{y}}}\] \[\ce{2p^0_{{z}}}\], Explain.

Using the concept of quantum numbers, calculate the maximum numbers of electrons present in the ‘M’ shell. Give their distribution in shells, subshells, and orbitals.

Write a note on ‘Principal Quantum number.

Indicate the number of unpaired electrons in \[\ce{Si}\] (Z = 14).

Indicate the number of unpaired electron in:

Cr (Z = 24)

Choose the correct option.

Colourless components on chromatogram can not be observed by the following:

Give names of two materials used as stationary phase in chromatography.

Define the Stationary phase.