Mercury oxide can refer to:
- Mercury(I) oxideMercury(I) oxideMercury oxide, also known as mercurous oxide or oxomercury, is an inorganic metal oxide with the chemical formula Hg2O.It is a brown/black powder, insoluble in water, toxic but without taste or smell. It is chemically unstable and converts to mercuric oxide and mercury metal....
(mercurous oxide), Hg2O
- Mercury(II) oxideMercury(II) oxideMercury oxide, also called mercuric oxide or simply mercury oxide, has a formula of HgO. It has a red or orange color. Mercury oxide is a solid at room temperature and pressure...
(mercuric oxide), HgO