Medal for best answer!!!!!!!!!!!!!!
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.

A. pitchblende itself is a radioactive element
B. the pitchblende sample contained an unknown radioactive
C. the pitchblende sample was defected
D. pitchblende should be used as radiation therapy

Question

Medal for best answer!!!!!!!!!!!!!!
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.  

A. pitchblende itself is a radioactive element
B. the pitchblende sample contained an unknown radioactive
C. the pitchblende sample was defected
D. pitchblende should be used as radiation therapy

hotpinkgirl · Answer

@DollyAcquah

anonymous · Answer

I don't really know about this...

hotpinkgirl · Answer

ok

hotpinkgirl · Answer

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