tell me what is the valency of IRON PLZZZ bit accordimg to neil nohr
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Iron (Fe) has an atomic number of 26, i.e. has 26 electrons. The energy of 4s and 3d orbital is similar (4s has slightly higher energy). ... Now, iron exhibits 2 valence states of +2 and +3. When iron loses the 2 4s electrons, it attains a valency of +2.
Ehsanmalik:
but in some case we c its vlency is 3
ya
but acc. to bohr berry scheme we c its valency is 8 than why it reacts with other elements
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iron is a transition element and shows variable valency
+2 and +3 are the valencies of iron
+2 and +3 are the valencies of iron
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