The smallest whole unit into which a compound can be divided and still be that same compound is A MOLECULE.
A compound is a substance that is formed by mixing two or more elements together chemically. The atoms of the elements in the compound have been combined in specific ratio, so they have become molecules. A molecule refers to the smallest part of a compound. So, the molecule represent the smallest unit in which a compound can exist.
Answer: Another useful feature of the periodic table is that most tables provide all the information you need to balance chemical reactions at a glance. The table tells each element's atomic number and usually its atomic weight. The typical charge of an element is indicated by its group.
