How many electrons can a p subshell hold?

A p subshell can hold six electrons.

A p subshell is a group of three p orbitals, and each orbital can hold two electrons with opposite spins, so three times two equals six electrons total. Think of each orbital as a small room and electrons as pairs of roommates: each room fits one pair, and there are three rooms in the p subshell. These orbitals are at the same energy level and are shaped like dumbbells pointing in different directions, which is why there are three of them. When filling electrons, they go into separate orbitals first before pairing up, because they try to stay as far apart as possible.

A common mistake is thinking each orbital holds only one electron, which ignores that electrons pair up with opposite spins, so remember each orbital can hold two. Some students mix up subshells and shells, confusing the p subshell with the entire energy level, so keep in mind shells are bigger and can contain s, p, d, and f subshells depending on the level. Another error is forgetting there are three p orbitals, so picture three dumbbell rooms to avoid that confusion.

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P Subshell: Holds 6 Electrons in 3 Orbitals

1. p subshell has three orbitals
2. Each orbital holds two electrons
3. Electrons pair with opposite spins
4. Orbitals are same energy level
5. Orbitals shaped like dumbbell directions
6. Fill separately before pairing

Common p Subshell Mistakes and Fixes

1. Thinking each orbital holds one electron
2. Confusing subshells with entire shells
3. Forgetting there are 3 p orbitals

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