There are three types of GPA that medical schools calculate, and you need to know about each: 1  Overall GPA â The raw GPA calculation of all of your undergraduate coursework combined. 2  BCPM â âScience GPA.â Your GPA for all of your science coursework. This is the big one. 3  AO GPA â âAll Otherâ GPA.
Best Answer: A molecule is formed when two or more atoms join together chemically. A compound is a molecule that contains at least two different elements. All compounds are molecules but not all molecules are compounds. Source(s):
Here are examples of common molecules : Molecules made up of two or more elements are called compounds. Water, calcium oxide, and glucose are molecules that are compounds. All compounds are molecules; not all molecules are compounds. Single atoms of elements are not molecules. A single oxygen, O, is not a molecule.