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Matthews College Prep Chem
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Matthews College Prep Chem: Atomic Structure
The Periodic Table
Matter & Change
See chapter 4 in the textbook.
Explain how the understanding of the atom has changed over time. (see the timeline on pg 133 of the textbook).
Explain the results of the cathode ray demonstration and the conclusion(s) which can be drawn from them.
Explain the results of the gold foil experiment and the conclusion(s) that can be drawn from it.
Use the periodic table to determine the number of protons, neutrons, and electrons in a particular isotope.
Determine the number of protons, neutrons, and electrons in an ion. ex. K
Explain why the atomic mass number for an element is not an exact whole number.
Calculate the average atomic mass of an element from % abundance data.
Determine the most common isotope of an element using the periodic table.
Nov 8, 2018 7:18 AM
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