1. Chemistry I – Midterm Exam Review
Chapter 1
The nature of chemistry – What is chemistry?
How is chemistry done?
Scientific method
hypothesis, law, theory
lab safety
The five branches of chemistry
Chapter 2
Matter
mass, volume, density, temperature
physical vs. chemical properties
physical vs. chemical changes
The Law of Conservation of Mass
homogeneous solutions vs. heterogeneous solutions
elements, compounds, substances

2. Chemistry I – Midterm Exam Review
Chapter 3
Qualitative vs. quantitative measurements
Scientific notation vs. standard form
Simple mathematical operations using scientific notation
Significant figures
Mathematical operations and significant figures (multiplication, division, addition, and subtraction.)
Precision vs. accuracy
Density calculations
Chapter 4
Metric Metric Conversions
Metric  English conversions
Chapter 5
Dalton’s atomic theory
Protons, neutrons, and electrons
The cathode ray experiment

3. Chemistry I – Midterm Exam Review
Chapter 5
The gold foil experiment
mass number vs. atomic number
isotopes
metals vs. nonmetals
metalloids
The Periodic Table
Chapter 13
various atomic models – (Rutherford, Bohr, quantum mechanical, etc)
electron configurations
orbitals
wave mechanics
electromagnetic spectrum
Chapter 14
Periodic Trends – atomic radius and electronegativity

4. Chemistry I – Midterm Exam Review
Bonus Questions:
1. Draw a periodic table. Indicate, by color, the s-block, p-block, d-block, and f-block. Use a different color for each block.
List the colors of light from longest wavelength to shortest wavelength
List the five signs that a chemical reaction has occurred.
Calculate the average atomic mass, given the following data:
Isotope 1 : % abundant ; mass = amu
Isotope 2: % abundant; mass = amu