JEE Main 2022 Chemistry question
Which of the following statements are correct ? (A) The electronic configuration of Cr is [Ar] . (B) The magnetic quantum number may have a negative value. (C) In the ground state of an atom, the orbitals are filled in order of their increasing energies. (D) The total number of nodes are given by n − 2. Choose the most appropriate answer from the options given below :
Answer: (4)
Solution
(A) Cr is (true). (B) takes the values to , so it may be negative (true). (C) By the Aufbau principle
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