Is H2O Ionic or Covalent?

Covalent compounds include H2O, which is more commonly known as water. Atoms, usually of non-metal elements, share electrons to make this kind of compound. A polar covalent bond is a type of covalent bond that is only found in water.

In covalent bonds, the orbits of the electrons go around each atom in the compound. In polar covalent compounds, the electrons are also shared between the atoms, but they spend more time in orbit around the atom that likes electrons the most.

In this kind of compound, electrons can only be shared equally between atoms that have the same electron affinity. In water, oxygen is more attracted to electrons than hydrogen, so electrons spend more time around oxygen than they do around hydrogen.

Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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