Question

when Marie curie isolated uranium from pitchblende she realized that the pitchblende was more radioactive than the uranium she had extracted. what did she conclude about her observations? @boldjon

Answer 1

@boldjon

Answer 2

do u have an answer key

Answer 3

i would say the pitchblende sample contained an unknown radioactive element

Answer 4

thanks that was my answer two

Answer 5

ok i have more hold on lol i gave u a medal

Answer 6

ok that was an awesome answer but why r u asking this question on Mathmatics? Go over to the chemistry section for questions like that

Answer 7

k