What are 16 essential elements? Share with your friends Share 0 Yash Patel answered this Oxygen carbon hydrogen gold silver platinium sodium pottasium lithium manganese iron nickle copper cobalt zinc titanium scandium and vanadium 1 View Full Answer Sugyan Panigrahi answered this -: The following are the 16 essential elements :- 1. Carbon 2. Hydrogen 3. Oxygen 4. Nitrogen 5. Phosphorus 6. Potassium 7. Calcium 8. Magnesium 9. Sulphur 10. Iron 11. Manganese 12. Boron 13. Zinc 14. Copper 15. Molybdenum 16. Chlorine Hope it helped : ) 1