How many valence electrons does iron have?

Valence electrons are the electrons that present in the outermost shell of an atom. The electron configuration of Iron is written by knowing its atomic number is 26.

1s22s22p63s23p64s23d6

Here 4s23d6 electrons are present in the outer shell of Iron which means that the valence electrons present in the Iron atom are Eight. It belongs to the 8th group in the periodic table.

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