By definition, the number of orbitals in each of the following sublevels is:
A. 4p sublevel: 3 orbitals
B. 3d sublevel: 5 orbitals
C. 4f sublevel: 7 orbitals
D. 2s sublevel: 1 orbital
The Electronic Configuration of the elements is the arrangement of all electrons of an element in energy levels and sub-levels (orbitals).
There are 7 energy levels. These levels are designated by the letter n, where n is a positive integer and numbered from 1 to 7, in which electrons are distributed, logically in order according to their energy level.
Thus, n = 1 corresponds to the lowest main energy level. As n increases, so does the energy of the electron and, on average, the electron is farther from the nucleus.
Each level is divided into sub-levels. These sub-levels into which each level is divided can be up to 4. These 4 sub-levels are called: s, p, d, f.
In each sublevel there is a certain number of orbitals that can contain a maximum of 2 electrons each. Thus, there are 1 s- type orbital, 3 p- type orbitals, 5 d- type orbitals, and 7 f- type orbitals.
In this way, the maximum number of electrons that each sublevel admits is: 2 in the s; 6 in the p (2 electrons x 3 orbitals); 10 in the d (2 electrons x 5 orbitals); 14 in the f (2 electrons x 7 orbitals).
Finally, the number of orbitals in each of the following sublevels is:
A. 4p sublevel: 3 orbitals
B. 3d sublevel: 5 orbitals
C. 4f sublevel: 7 orbitals
D. 2s sublevel: 1 orbital
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