Chapter 2 ~ Water and Weak Bonds
Across
- 5. Water is the ______ of life.
- 7. _______ motion is due to the random fluctuation of the energy content of thermal noise.
- 8. The most common medium for the thermal noise of Brownian motion.
- 9. One ______ is equal to .1 nanometer.
- 11. The three fundamental noncovalent bonds are ____ bonds, hydrogen bonds, and van der Waals interactions.
- 13. These molecules sequester themselves away from water and result in the hydrophobic effect.
- 17. Very small amounts of pure water will _____ to form hydronium and hydroxyl ions.
- 20. ______ chemical interactions form the basis of biochemistry and life itself.
- 21. _____ obtains a partial negative charge while hydrogen corresponds with a partial positive charge in the water molecule.
Down
- 1. Property of oxygen that results in water's non-uniform charge distribution.
- 2. The ______ effect in turn gives rise to cellular organelles and membranes.
- 3. The pH of pure water.
- 4. Van der Waals interactions obtain stability in ______.
- 6. _______ relies on the cohesive property of water and is utilized by trees to move water from roots to top leaves.
- 10. _______ law describes the electrostatic interaction between two ions.
- 12. The aggregation of nonpolar groups in the presence of water leads to an increase in ____ due to the release of water molecules into bulk water.
- 14. The presence of water weakens this type of interaction.
- 15. Hydrogen bonds are ______ than covalent bonds.
- 16. Weak bonds permit ______ interactions.
- 18. Bonds in which the electrons are shared by the participating atoms.
- 19. This bond can form in the presence of a hydrogen covalently bonded to an electronegative atom.