3d10
Ten electrons is the maximum number of electron in 3d.
There are a maximum of 10 electrons in the 3d sub-level.
In the atom of Zinc (Zn), there are 10 electrons. Out of these 10 electrons, there are 0 electrons in the 3d orbital. Zn has a configuration of [Ar] 3d10 4s2.
There are 3d^10 electrons in arsenic, as it is located in the 4th period of the periodic table.
3d^6 Six electrons in the outer shell.
One Mn atom contains 5 electrons in it's 3d subshell, all of which are unpaired.
Two electrons can occupy the 2s subshell, and 8 electrons can occupy the 3d subshell.
Manganese (Mn) has a total of 25 electrons, and its electron configuration is [Ar] 3d^5 4s^2. In the 3d sub-shell, manganese has 5 electrons.
Potassium (K) is atomic number 19. It has 19 electrons.1s2 2s2 2p6 3s2 3p6 4s1 so it has ZERO 3d electrons. The 3d doesn't receive electrons until you reach scandium (atomic number 21).
Copper (Cu) has one 3d electron.
Potassium (K) has an atomic number of 19, meaning it has 19 electrons. The electron configuration for potassium is 1s² 2s² 2p⁶ 3s¹. In this configuration, there are no electrons in the 3d subshell; therefore, potassium has 0 electrons in the 3d orbital.
An individual 3d orbital can hold only 2 electrons There are five 3d orbitals each of which can hold a maximum of two, making a maximum in the 3d subshell of 10 electrons.
Cobalt (Co) has 7 electrons in its 3d subshell.