The book Chemistry, An Experimental Science was written by author Chemical Education Materials Study Here you can read free online of Chemistry, An Experimental Science book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Chemistry, An Experimental Science a good or bad book?
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In that discussion we derived equation (79): e 2V m = 7* (79) where e = electron charge, m = electron mass, V = accelerating voltage, B = magnetic field strength. For positive ions, the charge is e or 2e or, in general, some integer, n, times e, the electron charge. We might write a capital M for mass to indicate that the mass of a positive ion is involved. Then we can solve (19) for the mass as a function of V, B (experimental conditions we control), n (which will be one, two, three, or some l...ow integer), and r, the radius that we measure on the photo- graphic plate: ner i B i M = 2V (20) With equation (20), we can verify quantitatively our identifications of the ionic masses and their charges. The two sets of three spots immediately suggest that one set is caused by three isotopes, each with the same ionic charge, and the second set by the same three isotopes with a different ionic charge. Measurement of the radii shows that one set has a larger radius by just the square root of two.
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