Answer:l ectrons will occupy a p orbital only after the s orbital is full
Explanation: Electrons can begin to occupy energy levels with the next highest integer designation only after all of the orbitals on the energy level below it are occupied.
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Al2(SO4)3 + 3CaCl2 > 2AlCl3 + 3CaSO4
I would say Na. Oxygen has 2 valence electrons and when reacting with other molecules, the ones with the fullest or emptiest shells will react the least. Both H2 and Na are in the Alkali Metals in the first row, but since H2 has 2 molecules, it would use more oxygen than Ana
