CP Physical Science
Name
Chapter 4-1 Review Questions
Period
Date
Read pages 104 – 110 of your test and answer the following questions. Use complete
sentences.
1. Summarize the main ideas of Dalton’s atomic theory.
a.
b.
c.
d.
2. Explain why Dalton’s theory was more successful that Democritus’s theory.
3. Explain why a single, stable Oxygen atom is neutral.
4. List the charge, mass, and location of each of the three subatomic particles found within
atoms.
5. Compare an atom’s structure to a ladder.
a. What part of the ladder corresponds to the energy levels of the atom?
b. Identify why a real ladder is not a good model for the atom.
CP Physical Science
Name
Chapter 4-1 Review Questions
Period
Date
6. Explain how the path of an electron differs in Bohr’s model and in the modern model of
the atom.
7. List the four types of orbitals that an electron may be found. How many possible
electrons could fill each orbital type?
8. Explain why a p-orbital can hold up to 6 electrons.
9. Which orbital is the lowest energy level orbital?
10. Where are valence electrons located and why are they important?
11. How does this correspond to the Periodic Table of Elements that you just completed?