Which of the following elements was discovered in 1898 by Marie Curie?
Answer Radium
Marie Curie and her husband Pierre discovered the elements polonium and radium in 1898. Today, over 100 years later, the notebooks that Marie Curie used in her investigations are still kept in a lead case because of their intense radioactivity.
Asked by Brian Edwards · Last updated 4 years ago · 16.1K views · SOURCE
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