Chemical compound - Wikipedia
https://en.wikipedia.org/wiki/Chemical_compoundA chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound. There are four types of compounds, depending on how the constituent atoms …
What is compound interest? | Investor.gov
https://www.investor.gov/.../what-compound-interestStarting young lets the students take advantage of the magic of "compound interest." Compound interest is the interest you earn on interest. This can be illustrated by using basic math: if you have $100 and it earns 5% interest each year, you'll have $105 at the end of the first year. At the end of the second year, you'll have $110.25. Not only did you earn $5 on the initial $100 deposit, you ...