Across
- 1. A measurement scale used to indicate the acidity or alkalinity of a solution
- 4. A mixture where one substance is dissolved in another substance
- 9. The building blocks of DNA and RNA they consist of sugar and a nitrogenous base
- 11. Are Organic compounds made up of carbon, hydrogen, and oxygen atoms
- 14. A group of organic compounds that are insoluble in water they include fats, oils, and waxes
- 17. A substance that can react with metals and is produced by the stomach to help digest food
- 18. Large complex molecules made up of amino acids they are essential for the structure and function of cells
- 19. Large biomolecules that store and transmit genetic information
- 20. Solutions that resist changes in pH when small amounts of acid or base are added
Down
- 2. The attraction between molecules of the same substance
- 3. Are Small individual molecules that can join together to form larger more complex molecules
- 5. The substance that is dissolved in a solvent to form a solution
- 6. A weak attraction between hydrogen in one molecule and an electronegative atom in another molecule
- 7. A combination of two or more substances that are not chemically bonded together
- 8. The attraction between molecules of different substances
- 10. A particles which solid particles are dispersed in a liquid or gas but are not dissolved
- 12. acids The building block of proteins and are organic compounds that contain an amino group
- 13. The substance in which a solute is dissolved to form a solution
- 15. Are Large molecules made up of repeating units called monomers they can be found in plastic,rubber, and proteins
- 16. A substance that feels slippery and tends to have pH values ranging from 11 to 14
