All other orbitals at the sub contain at least one electron
if they have opposite spin.
Was it Pauli? I'm not positive.
This is usually called the "Pauli Exclusion Principle".
Each orbital contains maximum or 2 electrons. you could be either asking for this OR s orbital contains maximum of 2 electrons (has 1 orbitals) p orbital contains maximum of 6 electrons (has 3 orbitals) d orbital contains maximum of 10 electrons (has 5 orbitals)
Simple stated, no two electrons can have the same quantum numbers. Electrons at the same level would have a + and - spin.
The two arrows with a single block of an orbital diagram must be written in opposing directions because the electrons are said to be rotating in opposite directions. This means the two electrons in the orbital are spinning on their axis in opposite ways.
If two electrons are to occupy the same orbital, they must have opposite spin.
The orbital that allows no more than two electrons is the s orbital. This is a spherical shaped orbital. Elements with valence electrons lying only in the s orbital are metals.
This is known as the Pauli Exclusion Principle. This was stated by the physicist Wolfgang Pauli in 1925 regarding electrons.
The requirement ("Pauli Exclusion Principle") is that they must be different in at least one of their properties ("quantum numbers").
Pauli - it is the Pauli exclusion principal.
When you fill an orbital the electrons must spin in opposite directions. This results in no two electrons having the same quantum number, a result defined as the Pauli Exclusion Principle. You can have 2 electrons in an orbital. Note that 2py 2px and 2pz are three different orbitals.
Was it Pauli? I'm not positive.
I believe no scientist said exactly this. It is the (two) electrons in the same orbital that must have opposite spins. And the scientist who said that was Wolfgang Pauli in 1925. (Pauli exclusion principle)
This is usually called the "Pauli Exclusion Principle".
Electrons have spin of a 1/2. These make electrons fermions. According to Pauli's exclusion principle, no more than one fermion can have the same spin in the same space. So, the electrons occupying the same space must have opposite spin (and so, only two electrons can occupy the same orbital as a result of this, as three electrons will results in two electrons having the same spin state).
the Pauli exclusion principle
An orbital can hold not more than 2 electrons, and if there are two electrons in the orbital, they must have opposite (paired) spins. Therefore, no two electrons in the same atom can have the same set of four quantum numbers. otherwise the Pauli exclusion principle explain that the feature of particles dependent on its nature. for example electrons is fermion thus 2 electrons can accommodate in one level (orbital) but proton is bozone thus 1 proton accommodate in one level.