Chemistry

4. A ____ reaction is when a set of substances undergo a chemical change and form a different substance
5. Chemistry began as an official science during the ____s
8. chemistry is closely related to _______
10. Chemistry is the study of ______
12. Modern chemistry is about ___ centuries old
13. the formula for water is ___
16. People who study chemistry
17. Antoine-Laurent Lavoisier is considered the ______ of chemistry
18. iron, gold, and silver are ______

1. the study of the chemical processes that take place in living organisms, for instance in farming, and on the effect the resulting produce will have on our body’s metabolism.
2. many chemicals are harmless but some are dangerous, for example _______ can cause cancer
3. there are currently ____ _______ ________ elements on the periodic table
6. ________ chemistry involves looking at chemistry through the lens of physics to study changes in pressure, temperatures and rates of conversion, for example, as substances react.
7. Substances made up of a single type of atom
8. Elements are listed on the ______ table
9. matter is made up of tiny building blocks called _____
11. the study of matter and the chemical changes that matter undergoes
14. chemistry is sometimes called the ______ science
15. There are ____ types of chemistry