Compounds Made of Two Elements

Water is made of oxygen and hydrogen.
Water is made of oxygen and hydrogen. Ben Mills
by Anne Marie Helmenstine, Ph.D.
Updated March 06, 2017

A compound is a chemical substance made up of two or more elements. Here is a list of examples of compounds made up of exactly two elements.

  • H2O - water
  • NaCl - sodium chloride or table salt
  • KCl - potassium chloride
  • HCl - hydrochloric acid
  • N2O - nitrous oxide
  • AgI - silver iodide
  • AlN - aluminum nitride
  • B4C - boron carbide
  • CdTe - cadmium telluride
  • CsF - cesium fluoride