1 String str = Java String to String Array Example; /*. * 2  To convert String object to String array, first thing. * 3  we need to consider is to how we want to create array. *. * 4  In this example, array will be created by words contained. *  in the original String object.
A molecule is a group of two or more atoms bonded together, while a compound is a group of two or more atoms bonded together where the atoms are from at least two types of elements. All compounds are also molecules, but all molecules are not compounds.
Molecules and ions. Molecules and Ions. Although atoms are the smallest unique unit of a particular element, in nature only the noble gases can be found as isolated atoms. Most matter is in the form of ions, or compounds. Molecules and chemical formulas. A molecule is comprised of two or more chemically bonded atoms.