Which chemical elements did Maria Curie discover?
radium and polonium
lead and mercury
bromine and bismuth
gadolinium and holmium
Marie Curie was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity (a term that she coined). Among her many achievements was the discovery of two elements, polonium and radium.
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Answers by country
radium and polonium
lead and mercury
bromine and bismuth
gadolinium and holmium
answers
Poland
6747
Republic of Ireland
17
France
17
Greece
14
Australia
68
the Netherlands
24
the United Kingdom
187
Germany
406
Austria
82
Canada
34
Switzerland
27
India
650
Ghana
24
Malaysia
23
Singapore
19
the United States
303
Nigeria
120
Pakistan
69
the Philippines
57
the United Arab Emirates
18