7 Steps to better math performance. Here are some quick steps to help you get better at doing mathematics. Regardless of age, the tips here will help you learn and understand math concepts from primary school right on through to university math. Steps to better math performance. Here are some quick steps to help you get better at doing mathematics. Regardless of age, the tips here will help you learn and understand math concepts from primary school right on through to university math.
All compounds are molecules but not all molecules are compounds. Molecular hydrogen (H 2), molecular oxygen (O 2) and molecular nitrogen (N 2) are not compounds because each is composed of a single element.
â¢ A molecule may contain atoms of the same element or atoms of two or more elements joined in a fixed ratio in accordance with the law of definite proportion stated in section 2.1 â¢ thus, a molecule is not necessarily a compound, which by definition is made up of two or more elements.