Across
- 6. the minor component in a solution, dissolved in the solvent.
- 7. a biological catalyst
- 8. a molecule or ion capable of either donating a proton
- 10. building blocks, of DNA and RNA
- 12. a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds.
- 13. substances which react with acids
- 14. species formed from chemical reactions
- 15. a material made up of two or more different Chemical substance/substances
- 19. the positively charged central core of an atom
- 21. a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
- 22. organic compounds that contain amino and carboxylate functional groups,
- 24. a substance that dissolves a solute
- 25. a stable negatively charged component of an atom.
- 27. atoms or small molecules that bond together to form more complex structures
- 30. an underlying substance or layer.
- 31. large group of organic compounds occurring in foods and living tissues
- 32. The basic unit of matter
Down
- 1. a group of atoms bonded together
- 2. the tendency of dissimilar particles or surfaces to cling to one another
- 3. a special type of homogeneous mixture composed of two or more substances
- 4. a chemical bond that involves the sharing of electron pairs between atoms
- 5. a chemical substance composed of many identical molecules
- 9. molecules that contain hydrocarbons and make up the building blocks of the structure and function of living cells.
- 11. the process of increasing the rate of a chemical reaction
- 16. a particle, atom or molecule with a net electrical charge.
- 17. a substance or material consisting of very large molecules
- 18. a scale used to specify the acidity or basicity
- 20. molecules sticking together
- 23. important class of macromolecules found in all cells and viruses.
- 26. a pure substance consisting only of atoms
- 28. a substance that takes part in and undergoes change during a reaction.
- 29. an aqueous solution consisting of a mixture of a weak acid and its conjugate base