Download Chemistry – Ch 4 Review Sheet

Chemistry – Ch 4 Review Sheet
1. What are the charges and masses of each of the three subatomic particles?
2. What is an isotope? How does it differ from atomic mass?
3. What information is provided by the atomic number?
4. Draw a diagram of a cathode ray tube, labeling the cathode and anode.
Which end is positive? Which end is negative?
5. Describe the mass and the size of the nucleus in comparison to the rest of
the atom
6. What information is needed to determine atomic mass?
7. If an atom has an atomic mass of 25 and has 12 protons, how many neutrons
does the atom have?
8. When comparing two different isotopes of the same atom, which subatomic
particles remain the same? Which one is different?
9. Which subatomic particle is used to determine the identity of an element?
10.
What did the gold foil experiment prove?
11.
How do electrons avoid being attracted to the nucleus?
12.
Find the atomic mass and atomic number of the following atom: 19
protons, 20 neutrons, 19 electrons
There are 3 types of radiation. What are they and describe each.
13.
Chemistry - Chapter 5 Review
1.
Equations: Ephoton = hv *how to solve problems using these equations
c = λv
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8.
Atomic Emission Spectra – what’s the big deal?
how to read the electromagnetic spectrum diagram
the “anatomy” of a wave
visible light – Know highest  lowest energy or lowest  highest energy
how light is produced in neon signs
how photoelectric effect works
orbitals/sublevels
a. Shapes
b. How many e- can each hold
Hund’s Rule – how does this apply to electron configurations (orbital
diagrams)
Heisenberg Uncertainty Principle
Aufbau Principle
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Pauli’s Exclusion Principle– how does this apply to electron configurations
(orbital/box diagrams)
Quantum numbers – what do they mean/represent?
a. n
b. l
c. m
d. s
Where/How to find valence eWhich sublevels are the valance electrons found?
How to complete electron configurations – with and without using Noble
gas configurations
Know how to complete orbital diagrams (a.k.a. box diagrams)
Know how to complete dot diagrams