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Chapter 3: Problem 58
What is Avogadro's number?
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How are quantum numbers like an address? How are they different from an address?
What are the charges of an electron, a proton, and a neutron?
State the Pauli exclusion principle.
Calculate Numbers of Protons, Electrons, and Neutrons. A graphing calculator can run a program that calculates the numbers of protons, electrons, and neutrons given the atomic mass and numbers for an atom. For example,given a calcium-40 atom, you will calculate the numbers of protons, electrons, and neutrons in the atom. Go to Appendix C. If you are using a TI-83 Plus, you can download the program NUMBER and data and can run the applica- tion as directed. If you are using another calculator, your teacher will provide you with keystrokes and data sets to use. After you have run the program, answer the questions below. \begin{equation} \begin{array}{l}{\text { a. Which element has the most protons? }} \\ {\text { b. How many neutrons does mercury-zol }} \\ {\text { have? }} \\ {\text { c. Carbon-12 and carbon-14 have the same }} \\ {\text { atomic number. Do they have the same }} \\ {\text { number of neutrons? Why or why not? }}\end{array} \end{equation}
What advantage is gained by using the mole as a unit when working with atoms?
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