Everyday Science MCQs
Q Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?
  • A A. 1s2 2s2 2p6 3s2 3p6 3d7
  • B B. 1s2 2s2 2p6 3s2 3p6 4s2 4p5
  • C C. 1s2 2s2 2p6 3s2 3p5 3d10
  • D D. 1s2 2s2 2p6 3s2 3p6 4s23d5
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