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.
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

Question text not available

Answers:
Ernest Rutherford named the radioactive rays as alpha, beta, and gamma rays.:3
Dalton developed the theory that all matter is made of atoms.:1
Henri Becquerel discovered radioactivity.:2
7

Question text not available

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.

8

Use the drop-down menus to order the sequence of ideas that led to Marie Curie’s discovery of radioactive elements, starting with the earliest event.12✔ 3 Ernest Rutherford named the radioactive rays as alpha, beta, and gamma rays.

Answers:
Ernest Rutherford named the radioactive rays as alpha, beta, and gamma rays.:3
Dalton developed the theory that all matter is made of atoms.:1
Henri Becquerel discovered radioactivity.:2
9

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.
10

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.
12

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.

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