Chemistry Vocab

4. a scale used to specify the acidity or basicity
6. species formed from chemical reactions
8. large group of organic compounds occurring in foods and living tissues
11. a biological catalyst
12. organic compounds that contain amino and carboxylate functional groups,
13. a special type of homogeneous mixture composed of two or more substances
14. a chemical bond that involves the sharing of electron pairs between atoms
16. a substance that dissolves a solute
18. a molecule or ion capable of either donating a proton
22. The basic unit of matter
24. a stable negatively charged component of an atom.
25. a particle, atom or molecule with a net electrical charge.
26. a substance or material consisting of very large molecules
28. important class of macromolecules found in all cells and viruses.
29. the minor component in a solution, dissolved in the solvent.
30. a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds.
31. the positively charged central core of an atom

1. an underlying substance or layer.
2. building blocks, of DNA and RNA
3. atoms or small molecules that bond together to form more complex structures
5. a substance that takes part in and undergoes change during a reaction.
7. the tendency of dissimilar particles or surfaces to cling to one another
8. a chemical substance composed of many identical molecules
9. substances which react with acids
10. molecules that contain hydrocarbons and make up the building blocks of the structure and function of living cells.
15. a pure substance consisting only of atoms
17. the process of increasing the rate of a chemical reaction
19. molecules sticking together
20. a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
21. a group of atoms bonded together
23. a material made up of two or more different Chemical substance/substances
27. an aqueous solution consisting of a mixture of a weak acid and its conjugate base