Question
When Marie Curie Isolated uranium from pitchable, she realized that the [itchable was more radioactive than the uranium she had extracted. What did she conclude about her observations?
pitchblende itself is a radioactive element
the pitchblende sample contained an unknown radioactive the pitchblende sample was defected ***
pitchblende should be used as radiation therapy
pitchblende itself is a radioactive element
the pitchblende sample contained an unknown radioactive the pitchblende sample was defected ***
pitchblende should be used as radiation therapy
Answers
Damon
Yes, in fact it was Thorium.
jeje
Ok thanks!
Hal
1. C
2. B
3. B
4. D
Unit 4 lesson 7
2. B
3. B
4. D
Unit 4 lesson 7