Chemical formula and molecule model of hydrogen, water, ammonia, methane on a dark blue background.
Structural chemical formula and model of H2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O3O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2O2OO2O3O2O3O3O3O3O3O3O3O3O3