Electron configuration Aufbau principle quantum Which sublevel is filled just before 5f?(a) 4f(b) 7s(c) 5d(d) 6d
Which sublevel is filled just before 5f?(A) 4f(B) 7s(C) 5d(D) 6d
Orbital aufbau scandium principle subshell periodic electron configuration electrons filled atomic blocks filling aufbaus 7s sublevel valence slidesharetrick shell conclude
Chemistry rule electron energy arranged which boundless configuration order according madelung ordering orbitals increasing each
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