Why Iron has 2 and 3 Valency?

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Related questions

  1. What are valence electrons responsible for?
  2. What's the electron configuration for zinc?
  3. Why does the third shell have 8 electrons?
  4. What are valence electrons used for by an element?
  5. Does Cl and Ar have the same electron configuration?
  6. What are the 3 principles of electron configuration?
  7. Why are there only 2 electrons in the first shell?
  8. What are KLMN shells?
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  10. Why shells are named as KLMN?

Tags

  1. #partially
  2. #stability
  3. #electron
  4. #unpaired
  5. #orbitals
  6. #extra
  7. #filled
  8. #valency
  9. #leaving
  10. #because
  11. #actually
  12. #paired
  13. #thereby
  14. #along
  15. #electrons
  16. #orbital