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.
(1) Molecule is the smallest particle of a compound. (2) Atoms exist in free states in the form of molecule. (3) Molecule may be formed by the combination of two or more similar atoms of an element, such asoxygen molecule is formed by the combination of two oxygen atoms, molecule of hydrogen which is formed by the combination of two hydrogen atoms.