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Lonsdale

[ lŏnzdāl′ ]
Dame Kathleen Yardley 1903-1971
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Irish physicist noted for using x-ray analysis to show that the carbon atoms in the benzene ring are arranged hexagonally and are in the same plane (1929).

QUIZZES

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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