Oxygen is an element and don'y contain any other element.
Mercuric oxide is made of the elements mercury and oxygen.
silicon and oxygen
No. It is a compound made of hydrogen and oxygen. An element is not made of any other elements.
Oxygen is made of atoms with 8 protons, 8 neutrons, and 8 electrons. It belongs to the group of nonmetal elements on the periodic table and is essential for respiration and combustion.
carbon, hydrogen, oxygen
A molecule of water, which has the formula H2O, is made up of the elements hydrogen and oxygen.
Copper nitrate is a compound. It is made from oxygen, copper and nitrogen.
Neon (the gas) is an element. Elements are pure, they are not made out of other things. For instance the gas Carbon Dioxide is a compound made Carbon and Oxygen, but Carbon and Oxygen are elements and are not made out of anything else.
Mercuric oxide is made up of the elements mercury and oxygen. It is also called mercury(II) oxide, and has the formula unit HgO.
There are actually three elements that glucose is composed of: hydrogen, oxygen, and carbon.
Copper carbonate is made up of the elements copper, carbon, and oxygen.
Hydrogen, Oxygen