Voorbeelden van chemical element

• An atom is the smallest particle of a chemical element. 

• The chemical elements composing the natural food of ordinary crops are ten in number, viz.—carbon, hydrogen, oxygen, nitrogen, sulphur, phosphorus, potassium, calcium, magnesium, and iron. 

• The physical world is regarded as being composed of between sixty and seventy chemical elements, aggregated into an infinite variety of combinations. 

• The reactions between two chemical elements under the same conditions are always the same. 

• These nutritive compositions contain only such chemical elements in like chemical proportions as exist in the human body. 

• Since actual observed vesicle fillings are silicate minerals, chemical element transfers from basalt to geodes must have taken place.

• Before spectra of oxygen ions became known, these lines once led to a spurious identification of the substance as a new chemical element.

• The laboratory was honored in 2012 by having the synthetic chemical element livermorium named after it.