The train between Naples and Sorrento is a very cheap and quick way to travel between the two cities. Unfortunately, it also happens to be one of the worst in terms of pick-pocketing.
Definition of Element. 1) A substance that cannot be decomposed into simpler substances by chemical means. 2) One of the 116 presently known substances that cannot be decomposed by chemical reaction into a simpler substance. Elements comprise all matter at and above the atomic level.
an element is a substance consisting of atoms which all have the same number of protons i e the same atomic number elements are chemically the simplest substances and hence cannot be broken down using chemical methods elements can only be changed into other elements using nuclear methods