Take the local train, Circumvesuviana, from the Sorrento Central train station to the Naples Central Railway Station. Sorrento is the last and first stop on its trip around the Gulf of Naples, so you don't have to worry about getting on a train in the wrong direction. Train fare costs about $5.50.
How elements are formed. Our world is made of elements and combinations of elements called compounds. An element is a pure substance made of atoms that are all of the same type. At present, 116 elements are known, and only about 90 of these occur naturally.
Elements and compounds. All matter is made from atoms. Atoms are very, very small. A molecule is formed when atoms join together by chemical bonds. There are over a hundred different types of atom, called elements.o chemical process can break it down into a different substance. Compounds are substances that contain atoms of at least two elements chemically combined. For example: magnesium oxide consists of magnesium atoms and oxygen atoms chemically bonded together.