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Unformatted text preview: 1 pt ( ½ sig figs, ½ units) 4. (3 pts) Match the following description to the appropriate scientist/philosopher by putting the letter next to the name. There is only one correct description per scientist/philosopher. A. Described atoms as identical, indivisible, and indestructible. D Democritus B. The Father of Modern Chemistry. C. Suggested atoms of certain substances can disintegrate, based on the discovery of the radioactive elements, Po and Ra. F Robert A. Millikan D. Said matter is made up of indivisible atoma or atomos. E. Discovered the electron particle by studying cathode rays. F. Performed the oil-drop experiment, finding the charge of an electron. G Henri Becquerel G. Discovered radioactivity. H. Performed the gold-foil experiment which gave the experimental basis for proposing the nuclear model of the atom. 5. (1 pt) Determine the number of protons in 7 15 N . 7...
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This note was uploaded on 07/10/2011 for the course CHM 2045 taught by Professor Eng during the Fall '10 term at UNF.
- Fall '10