Chemical Bonding

5. the electrons in the outer energy level of an atom
7. a more active element takes the place another element in a compound
9. substances you start with
10. substances you end up with
11. biochemical compounds such as fats and oils
13. a reaction in which energy is absorbed
16. a chemical compound that is mainly composed of carbon, hydrogen, and possibly other elements
18. speeds up a chemical reaction
19. a single compound breaks down into its component parts or simpler compounds

1. biochemical compounds that consist of one or more chains of amino acids
2. only refer to the atom they are behind
3. Biochemical Compounds that include DNA and RNA
4. any carbon-based compound found in living things
6. Ions in two compounds “change partners”
7. two or more elements or compounds may combine to form a more complex compound
8. apply to the entire compound
12. bond where electrons are shared between two nonmetals
14. a reaction in which energy is released
15. biochemical compounds that include sugars, starches, and celluose
17. when a substance reacts with oxygen to produce energy in the form of heat and light