Explain what a compound is and how you can tell one by looking at a chemical formula?

Explanation:

Chemical Compounds are substances that are made up of 2 or more elements that have reacted to each other through a chemical bond to give a different substance to the initial elements.

The chemical formula is an expression used to indicate the molecular composition of a compound. In other words, it indicates by means of symbols the elements that make up the compounds and their proportion.

? you expect us to answer this? ? this is your schoolwork, i don't think we can with this, i think it would considering being