ch104HW5 - Fill in the following table: symbol atomic #...

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Name:________________ CH 104 Homework # 5 Reading: 2.6 and 2.7 Suggested extra problems: 30, 32, 34-37, 58, 59, 67, 69, 71-74, 78, 8 Explain what these people did to “describe” the atom. Thomson Rutherford Soddy Chadwick Bohr Heisenberg Explain how Rutherford came to the conclusion that the atom has a very small, very dense, positively charged core. Why did it take 33 years to find the neutron? Defend this statement, "matter is mostly empty space."
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Unformatted text preview: Fill in the following table: symbol atomic # neutrons electrons atomic mass Name Be 6 10 82 207 Os 76 190 138 226 Radium Name:________________ How many electrons fit in the entire 3 rd energy level? Explain. What are the electron configurations for the first 18 elements? Write them in a single column. Define these terms: Isotope Allotrope Diatomic Give two examples of each of the above....
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This note was uploaded on 04/19/2010 for the course CHEMSITRY CH 104 taught by Professor Kovacich during the Fall '09 term at Portland CC.

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ch104HW5 - Fill in the following table: symbol atomic #...

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