Each shell can contain only a fixed number of electrons: The first shell can hold up to

**two electrons**, the second shell can hold up to eight (2 +**6**) electrons, the third shell can hold up to**18**(2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n^{2}) electrons.Beside this, how many orbitals are in the 4f subshell?

The subshell has

**one orbital**for a total of 2 electrons. The subshell has**three orbitals**for a total of 6 electrons. The subshell has**five orbitals**for a total of 10 electrons. The subshell has**seven orbitals**for a total of 14 electrons.How many electrons are in 4f?

The s sublevel has just one orbital, so can contain

**2 electrons**max. The p sublevel has 3 orbitals, so can contain**6 electrons**max. The d sublevel has 5 orbitals, so can contain**10 electrons**max. And the 4 sublevel has 7 orbitals, so can contain**14 electrons**max.How many electrons are in the 5d Subshell?

The fourth shell has 4 subshells: the subshell, which has 1 orbital with

**2 electrons**, the subshell, which has 3 orbitals with**6 electrons**, the subshell, which has 5 orbitals with**10 electrons**, and the subshell, which has 7 orbitals with**14 electrons**, for a total of 16 orbitals and**32 electrons**.