Predict the formulas for the following compounds. 1. sodium nitride composed of 3 sodium ions (Na 1+) connected to 1 nitride ion (N3-) in a crystal

2. magnesium chloride composed of 2 magnesium ions (Mg 2+) connected to 4 chloride ions (Cl1-) in a crystal

3. aluminum sulfide composed of 4 aluminum ions (Al 3+) connected to 6 sulfide ions (S2-) in a crystal

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.

1 a

2 d

3 a

4 c

explanation:

it would be a gas formation

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