1. Formulas
Molecular formula represents the numbers and types of atoms in a molecule
H2O, C6H12O6
Structural formula gives the arrangement of atoms
3-D models (just like they
sound)

2. Types of Chemical Reactions
Synthesis or Combination
Decomposition or Analysis
Exchange (double or single) or Displacement
Reversible can go in either direction

3. Terms Electrolyte: substance that releases ions in water
Acid: releases more H+ than OH-
Base: releases more OH- than H+
pH: measures concentration of H+
Organic Compounds: contain carbon covalently bonded to hydrogen
Inorganic Compounds: all the rest

4. Inorganic substances vital to cells
WATER
Most abundant compound
Important solvent, heat stabilizer, and constituent of blood
OXYGEN
Needed for release of energy
CARBON DIOXIDE
Waste product of metabolism
INORGANIC SALTS
OR inorganic ions—multiple functions