Question

Write electronic configuration of (a) Fe (atomic number = 26) (b) Cr (atomic number = 24)​

Answer 1

Answer:

Electronic Configuration of Fe is ] 3d6 4s2 and for Cr is

Explanation:

Since 1s can only hold two electrons the next 2 electrons for Iron go in the 2s orbital. ... Therefore the Iron electron configuration will be 1s22s22p63s23p64s23d6. Note that when writing the electron configuration for an atom like Fe, the 3d is usually written before the 4s..

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