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Chemistry Midterm Review - Chapter 3/Nuclear Chem
What is/are:
1. the law of conservation of mass?
2. Ernest Rutherford’s experiment and what did he learn about the atom from the experiment?
3. nuclear forces?
4.
5. the atomic number?
6. isotopes? What number of particles must be the same for two atoms to be isotopes? Which
number of particles will be different?
7. Avogadro’s number?
8. hyphen notation?
9. a nuclide symbol?
10. a nuclear reaction and how are they balanced?
11. the symbols for an alpha particle, beta particle, electron, and positron?
Chemistry Midterm Review - Chapter 3/Nuclear Chem
12. What discoveries were made with the cathode ray tube experiment?
13. Calculate the average atomic mass for an element if the substance contains 25% of one isotope
that has a mass of 15.00 amu and 75% of a second isotope that has a mass of 17.00 amu.
14. Convert 2 moles of Carbon to grams of carbon.
15. Convert 15 g of Fe to atoms of iron.