Explain that different combinations of atoms make up different molecules ... Explain that the object of the game is to make molecules out of four types of atoms: oxygen, hydrogen, carbon, and nitrogen ...

When we mix two different pure substances together ... Water is made from the element hydrogen bonded to the element oxygen. Water molecules are made up of two elements - hydrogen (white atoms ...

IT is well known that the chief product in the photochemical combination of hydrogen and oxygen is hydrogen peroxide. It is also known that hydrogen peroxide is a product of the thermal reaction ...

A fuel cell is a device that uses a source of fuel, such as hydrogen ... but there are different types of fuel cells, based mainly on what kind of electrolyte they use. Many combinations of ...

and when it “burns” in air – releasing that stored energy – it simply combines with oxygen to produce water again. Different types of hydrogen production are labelled by colour.

Each of its molecules contains two hydrogen atoms and one oxygen atom. There are very many different compounds and all compounds are molecules. Carbon dioxide is a compound of carbon and oxygen ...