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.
2. in chemistry, a simple substance that cannot be decomposed by ordinary chemical means; elements are the basic components of which all matter is composed. Chemical elements are made up of atoms, each of which consists of a nucleus with a cloud of negatively charged electrons revolving around it.