Chemistry - GENERAL CHEMISTRY Question with Solution | TestHub

ChemistryGENERAL CHEMISTRYIntroduction, Quantum NumberEasy2 minPYQ_2004
ChemistryEasysingle choice

Which of the following sets of quantum numbers is correct for the last electron entered of the element having atomic number 57?

Options:

Answer:
C
Solution:

Element with atomic number 57 is Lanthanum(La) whose last electron entered is in 5d subshell.

Stream:JEESubject:ChemistryTopic:GENERAL CHEMISTRYSubtopic:Introduction, Quantum Number
2mℹ️ Source: PYQ_2004

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