Cracking the AP European History Exam 2020, Premium Edition by The Princeton Review

Author:The Princeton Review [The Princeton Review]
Language: eng
Format: epub
Publisher: Random House Children's Books
Published: 2019-09-24T00:00:00+00:00

Amateur scientist James Joule defined many of the laws of thermodynamics.

In chemistry, Dmitri Mendeleev developed the periodic table, arranging the known elements by atomic weight while leaving empty spaces in his table for those elements then predicted but as yet unknown.

In 1895, Wilhelm Röntgen made an accidental discovery of X-rays.

In the following year, in another fortuitous accident, Antoine Henri Becquerel discovered radioactivity, although he did not follow this up with additional work. That task would be undertaken by the Curies—Marie and her husband, Pierre—who would spend their lives studying radioactivity. In 1910, four years after the death of her husband, Marie Curie isolated radium.

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