Chapter Review Questions (HW 5)

Chapter Review Questions (HW 5) - CHEM 1015 Homework #5...

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CHEM 1015 Homework #5 Posted: September 14, 2007 Due: Thursday, September 20, 2007 Choose the best response to each of the following multiple choice questions and fill in the corresponding space on your orange opscan. 1. Google Roentgen and then Roentgen and serendipity, then choose the best answer to the following: Roentgen's discovery of x-rays can be described 1. as a result of the rigorous application of the scientific method. 2. as likely to have happened since Roentgen was a trained observer. 3. as analogous to the discoveries of the Three Princes of Serendip. 4. as a happy accident. 5. as a total mystery. 6. as his gift to humanity. 7. 1, 6 8. 2, 6 9. 2, 3, 5, 6 10. 2, 3, 4, 6 2. Visit and record the choice that makes the following statement true. Volta's voltaic pile 1. ultimately led to the downfall of the Greek theory of four basic elements: earth, air, fire, and water. 2. is considered his greatest honor. 3. earned the first Nobel Prize in physics (1901.) 4. is a charge-accumulating machine that is the basis for electrical condensers still used today. 5. was composed of copper, tin, and moist, salty cardboard. Use information found at to answer the next five questions. 3. J. J. Thomson declared that "we have in the cathode rays matter in a new state, a state in which the subdivision of matter is carried very much further than in the ordinary gaseous state: a state in which all matter. .. is of one and the same kind; this matter being the substance from which all the chemical elements are built up." He named the matter 1. electrons
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2. anions 3. corpuscles 4. subatomic particles 4. In an attempt to illustrate the manner in which the negative particles constructed the atom, Thomson developed the plum pudding model. This theory was disproved by one of his own students, . 1.
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This homework help was uploaded on 04/01/2008 for the course CHEM 1015 taught by Professor Jeeddleton during the Fall '07 term at Virginia Tech.

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Chapter Review Questions (HW 5) - CHEM 1015 Homework #5...

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