7 Orbitals
In an f sublevel, there can be a maximum of 7 orbitals. Each orbital can hold up to 2 electrons, resulting in a total capacity of 14 electrons within the f sublevel.
5 orbitals
All p sublevels contain three orbitals, including the 4p sublevel.
The element with 3 valence electrons in the 4d sublevel is Yttrium (Y). It is located in group 3 of the periodic table and has an atomic number of 39. In its electron configuration, Yttrium has the outer configuration of [Kr] 4d¹ 5s², contributing three valence electrons from the 4d and 5s orbitals.
There are 7 orbitals in the f sublevel. These orbitals are designated as 4f, 5f, 6f, 7f, 8f, 9f, and 10f.
3
3
The elements Y (Yttrium) to Cd (Cadmium) are filling the 4d energy sublevel. This range includes the transition metals from Yttrium (atomic number 39) to Cadmium (atomic number 48), where the 4d orbitals are progressively filled with electrons.
The d sublevel consists of five orbitals that can hold a maximum of two electrons each. The total maximum number of electrons that the d sublevel can hold is 10 electrons.
9
5
5