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Study Guide: Chapter 14
Atomic Structure
1. How many elements are there?
How many elements occur naturally?
2. Name the four primary elements that compose living things.
3. What is an atom?
4. Can we see atoms with a microscope? Explain.
relative size/mass
location in the atom
outside the nucleus
6. Which part of the atom dictates its chemical properties?
7. Explain the force that prevents atoms from passing through one another.
8. Compare the charge of a proton to the charge of an electron.
9. What information can be obtained by knowing the atomic number of an element?
What information can be obtained by knowing the atomic mass of an element?
10. What effect do neutrons have on the atom?
11. What are isotopes?
How do isotopes differ from their parent element?
12. What is a quark?
13. Draw the Bohr model for:
14. What is the correct electron configuration for the following elements?
15. What causes radioactive decay?
16. The half-life of Nobelium is 3 minutes. How much Nobelium will there be in 12 minutes if the original
sample was 48 grams? What has happened to the other part of the sample?