Answers26-27 CFISD TX-Chemistry A CRThe Progress of Scientific Knowledge

The Progress of Scientific Knowledge Answers

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Becquerel proposed the concept of radiation and Marie Curie reproduced his experiments.Becquerel’s work proved that radiation was far too dangerous for anyone to experiment with.Marie Curie’s work with Becquerel made her more curious and prompted her to research and experiment with radioactivity.Marie Curie was such a talented scientist that Becquerel’s work did not have any influence on her discoveries.

A
Becquerel proposed the concept of radiation and Marie Curie reproduced his experiments.
B
Becquerel’s work proved that radiation was far too dangerous for anyone to experiment with.
C
Marie Curie’s work with Becquerel made her more curious and prompted her to research and experiment with radioactivity.
D
Marie Curie was such a talented scientist that Becquerel’s work did not have any influence on her discoveries.
2
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Which did you include in your response? Check all that apply.

A
Marie Curie discovered several radioactive elements.
B
Henri Becquerel discovered spontaneous radioactivity from uranium.
C
Both Marie Curie and Henri Becquerel made discoveries in the area of radioactivity.
4

Which of the following parts of John Dalton’s atomic theory, if correct, would have made it impossible for Marie Curie’s discovery that new elements can be produced when elements are bombarded with neutrons?

A
All matter is made of atoms.
B
The atom is the smallest particle of matter.
C
Atoms of the same element are different from atoms of other elements.
D
Chemical change involves the rearrangement of atoms.
5

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Answer:

Marie Curie discovered several radioactive elements. Henri Becquerel discovered spontaneous radioactivity from uranium. Both Marie Curie and Henri Becquerel made discoveries in the area of radioactivity.

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