410ChemistryMedium
Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?
A1s2 2s2 2p6 3s2 3p6 3d7
B1s2 2s2 2p6 3s2 3p5 3d10
C1s2 2s2 2p6 3s2 3p6 4s2 4p5
D1s2 2s2 2p6 3s2 3p6 4s23d5
Correct answer
D. 1s2 2s2 2p6 3s2 3p6 4s23d5
Explanation
1s2 2s2 2p6 3s2 3p6 4s23d5 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.