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Study Outline
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Chapter 2: Matter and Energy
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Chemical Elements and Atomic Structure (pp.53-57)
- Matter and the elements
a. Nature of elements
b. Atomic number
c. Symbols
d. Relative abundance
- Atomic structure
a. Protons, neutrons, and atomic mass
b. Electrons and energy levels
c. Filling of the valence shell
- Isotopes and atomic weight
a. Meaning of isotope
b. Atomic weight
- Ions
a. Process of ionization
b. Anions and cations
c. Valence of ions
- Electrolytes
- Free radicals
a. How they are produced
b. Biological effects
c. Antioxidants
Molecules, Compounds, and Chemical Bonds (pp.58-61)
- Molecules and compounds
- Chemical formulae
a. Molecular formulae
b. Structural isomers
c. Structural formulae
d. Condensed structural formulae
- Molecular weight
- Chemical bonds
a. Ionic bonds
b. Covalent bonds
- Single and double
- Polar and nonpolar
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c. Hydrogen bonds
Mixtures (pp.61-64)
- Mixtures versus compounds
- Solutions, colloids, and suspensions
a. Properties of a solution
b. Properties of a colloid
c. Properties of a suspension
- Measures of concentration
a. Weight per volume and percent concentration
- How these are computed
- When these can be misleading
b. Molarity
- Meaning of a mole
- Avogadro's number
- Molar and millimolar solutions
c. Electrolyte concentrations
- Meaning of equivalents
- Computing mEq/L
- Converting mM to mEq/L
Acids, Bases, and pH (pp.64-66)
- Acids and bases
- pH
a. The pH scale
b. Buffers
Chemical Reactions (pp.66-68)
- Chemical equations
a. How they are written
b. Balanced equations
- Classes of reactions
a. Decomposition
b. Synthesis
c. Exchange
- Reversible reactions
a. Law of mass action
b. Chemical equilibrium
- Factors that affect reaction rates
a. Concentration
b. Temperature
c. Catalysts
Energy (pp.68-70)
- Work and energy
a. Kinetic versus potential energy
b. Forms of energy
- Chemical
- Heat
- Electromagnetic
- Electrical
- Radioisotopes and ionizing radiation
a. Radioisotopes and radioactivity
b. Types of ionizing radiation
- a particle: two protons and two neutrons
- ß particle: electron
- g ray: high-energy photon
c. Half-life: physical and biological
d. Radiation exposure
Thermodynamics and Metabolism (pp.70-72)
- Laws of thermodynamics
a. First law of thermodynamics
b. Second law of thermodynamics
- Exergonic and endergonic reactions
a. Exergonic and catabolic reactions
b. Endergonic and anabolic reactions
- Oxidation and reduction
a. Meaning of oxidation
b. Meaning of reduction
- Oxidizing and reducing agents


