How many elements are in H20 Share with your friends Share 0 Divyansh Masiwal answered this Dear Student, So, 2 Elements - Hydrogen and Oxygen Regards 0 View Full Answer Kartik answered this 2 Hydrogen and oxygen 2 Chikku Dangi answered this A mean of H20 is Hydrogen and oxygen and when it combine it make water.... 1 Poongothai answered this 2 hydrogen and oxygen 0 Nishant answered this two elements 0 Ꮇεℓøթհīłє answered this 2 atom of hydrogen and an atom of oxygen 0 Abhyuday Pandey answered this It has 2 elements and 3 atoms 0 Shovit Raj answered this 2........ 0 ★ [ D E A D ] { K I L L E R ... answered this Yoo:) 0 Krishna_amal (sachin) answered this Oxygen and hidrogen 0 Daksh answered this there are 2 elements hydrogen and oxygen 0 Sonali Jaiswal. answered this 2 atoms of hydrogen and one atom of oxygen. 0