Question

Write a full set of quantum numbers for the following:

Answer 1

It is known that the maximum value of ml is equal to the value of l. But the minimum value of n is as follows.

                   n = l + 1

where n = principal quantum number  

               l = azimuthal quantum number

Values of n can be 1, 2, 3, 4, and so on. Whereas the values of l are 0 for s, 1 for p, 2 for d, 3 for f, and so on.

Also, "m" is known as a magnetic quantum number whose values can be equal to -l and +l.

The electronic configuration of Li is. So here, n = 2, l = 0, m = 0 and s = ±.

Electronic configuration of is. So here, n = 4, l = 1, m = -1, 0, +1, and s = ± .

Electronic configuration of is. So here, n = 5, l = 1, m =  -1, 0, +1, and s = ± The electronic configuration of B is. So here, n = 2, l = 1, m = -1, 0, +1, and s = ±.

What is quantum number?

• Quantum numbers in quantum physics and chemistry explain the values of conserved quantities in a quantum system's dynamics.
• Quantum numbers are quantities that can be precisely known at the same time as the system's energy and are related to the eigenvalues of operators that commute with the Hamiltonian and their corresponding eigenspaces.
• A base state of a quantum system is fully described by the specification of all of its quantum numbers, which can theoretically be measured collectively.

What purpose do quantum numbers serve?

• Because they can be used to determine an atom's electron configuration and the likely placement of its electrons, quantum numbers are significant.
• The atomic radius and other properties of atoms, such as ionization energy, are also understood using quantum numbers.

Learn more about quantum numbers here:

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