Catfishauz Catfishauz

03-01-2019
Chemistry

contestada

Which radioactive isotopes did the Curies discover?
1) polonium and radium
2) radium and carbon-14
3) carbon-14 and uranium
4) uranium and polonium

Respuesta :

CapnJackSparrow CapnJackSparrow

16-12-2021

Answer:

1- polonium and radium

Explanation:

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SOMEONE, PLEASE HELP ME :/