Chapter 2
The Chemical Basis of Life I: Atoms, Molecules, and Water
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Parts
- 1Inside an atom6 min
- 2Electron shells and the periodic table5 min
- 3Atomic mass, moles, and isotopes6 min
- 4Covalent bonds and molecules6 min
- 5Polar bonds and weak attractions5 min
- 6Ions and chemical reactions5 min
- 7Water as a solvent6 min
- 8Water's special properties5 min
- 9Acids, bases, and the pH scale4 min
- 10Buffers and pH balance4 min
Key terms
- atom
- element
- proton
- neutron
- electron
- orbital
- electron shell
- valence electron
- atomic number
- atomic mass
- mole
- isotope
- radioisotope
- molecule
- compound
- covalent bond
- electronegativity
- nonpolar covalent bond
- polar covalent bond
- hydrogen bond
- van der Waals dispersion force
- ion
- ionic bond
- free radical
- chemical equilibrium
- solute
- solvent
- hydrophilic
- hydrophobic
- amphipathic
- molarity
- specific heat
- heat of vaporization
- hydrolysis
- cohesion
- adhesion
- acid
- base
- pH
- buffer