What was the ratio in the formula for Iron (II) oxide?
Fe:1,O:1
Fe:3, O:2
Fe:2, O:3

Fe:2, O:3

Explanation: What was the ratio in the formula for Iron (II) oxide?

Fe:2, Oxide: 3

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if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.