Airex Commercial Water Heater 3000 Watt B.T.H. 1.25 B.S.P. immersion rod 3000 W Immersion Heater Rod  (250)

An element is a substance whose atoms all have the same number of protons: another way of saying this is that all of a particular element's atoms have the same atomic number. ... Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.