Chemical

A chemical substance is any material with a known chemical composition. For example, water has the same properties and the same ratio of hydrogen to oxygen...

Chemical warfare means using chemical compounds in war to injure or kill people. The chemicals used for chemical warfare are poisonous. Chemical warfare...

A chemical compound is a chemical formed from atoms of different chemical elements. The different atoms are joined by chemical bonds. Each compound has...

A chemical bond is a type of attraction force which holds together different chemical species. Atoms bonded stay together unless the needed amount of...

A chemical reaction happens when one or more chemicals are changed into one or more other chemicals. Examples: iron and oxygen combining to make rust...

A chemical element is a substance that is made up of only one type of atom. Atoms are made up of protons, neutrons, and electrons. The number of protons...

A chemical formula is a way that chemists describe a molecule. The formula says what atoms, and how many of each type, are in the molecule. Sometimes the...

Chemical engineering is a branch of engineering dealing with chemistry that came to existence in the early 20th century. Before this time, chemical plants...

A chemical change (chemical reaction) is a change of materials into other materials with different properties. Chemical changes occur when a substance...

A chemical equation is a way to predict the way that two or more chemicals will work together. Using what chemists know about the way chemicals act, we...

aspect of a substance which is only seen by means of a chemical reaction. Simply speaking, chemical properties cannot be determined just by viewing or touching...

Chemical composition is the arrangement, type, and ratio of atoms in molecules of chemical substances. Chemical composition varies when chemicals are...

Prohibition of Chemical Weapons (OPCW) is an international organisation made in 1997 in order to watch countries according to Chemical Weapons Convention...

A chemical symbol is the shortform of the name of an element. Usually, it is made up of one or two letters, but sometimes it is made up of three letters...

Chemical synapses are synapses that use chemical messengers called neurotransmitters to transmit signals. They are found all over the body. Especially...

Chemical purification or chemical isolation is the process in chemistry where one chemical substance is separated from other substance so that it is pure...

chemistry, chemical synthesis means using chemical reactions to get a product, or several products. This happens by physical and chemical manipulations...

Chemical vapor deposition is a method of putting a thin layer of materials on to a surface using very low heat. It is specially useful for coating thin...

A chemical nomenclature is a set of rules for creating a system of names ("nomenclature") for chemicals. This is done so that everyone uses the same name...

My Chemical Romance (often abbreviated to MCR or shortened to My Chem) is a rock band from New Jersey that began in 2001. They released their first album...