they have opposite spin
Spin
No. Electrons are fermions, meaning they cannot share the same set of four quantum numbers. Usually when we say "orbital" we only mean the first three, so there is room for two electrons in an orbital (corresponding to the two possible ms values).
only if spins are opposite: one up one down.
Two electrons can occupy the same orbital if they have opposite spins. Pauli's exclusion principle states that no two electrons in an atom can have the same set of four quantum numbers, which include spin.
No, according to the Pauli exclusion principle, no two electrons can have the same set of quantum numbers in an atom. This means that two electrons cannot occupy the same space orbital if they have the same spin.
6
In any shell excluding shell1, there is only 1 s orbital and 1 p orbital. Subshells and the Orbitals are same. Orbital g is known as subshell 5. g orbital is present shell 6. But till today no element is discovered with an electron in g orbital.
It depends what type of orbital these two electrons occupy. But there would be one arrow going up and one arrow going down to show two electrons in the same orbital.
Electrons can occupy the same orbital if they have opposite spin. Spin is a quantum property of particles that can be described as either "up" or "down." The Pauli exclusion principle states that no two electrons in an atom can have the same set of quantum numbers, so electrons in the same orbital must have opposite spin.
An electron pair are two electrons which occupy the same orbital in an atom or molecule. Paired electrons are represented by two dots.
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).
All other orbitals at the sub contain at least one electron