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
6680
the Netherlands
23
France
16
Republic of Ireland
15
Greece
14
Australia
68
the United Kingdom
187
Germany
391
Austria
79
Canada
34
Switzerland
26
India
649
Ghana
24
Malaysia
23
Singapore
19
the United States
300
Nigeria
120
Pakistan
69
the Philippines
57
the United Arab Emirates
18