Electronic Configuration — Prelims Questions

Which of the following electronic configurations represents an alkaline earth metal?

An element has an atomic number of 38. What is its correct ground state electronic configuration?

How many unpaired electrons are present in a ground state Calcium (Ca) atom?

Which of the following sets of quantum numbers is NOT possible for an electron in an atom?

Which of the following elements would require the highest amount of energy to remove its second electron (second ionization energy)?

Which of the following statements about the electronic configuration of Group 2 elements is INCORRECT?

What is the maximum number of electrons that can be accommodated in a subshell with $n=3$ and $l=2$?