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Author Question: The shape and size of a nucleus can best be described as a. A perfect sphere of diameter 0.4 nm. ... (Read 17 times)

tuffie

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on: Jul 28, 2018
The shape and size of a nucleus can best be described as
  a. A perfect sphere of diameter 0.4 nm.
  b. A perfect sphere of diameter 4 x 10-18 m.
  c. A roughly spherical shape of diameter 4 x 10-18 m.
  d. A roughly spherical shape of diameter 4 fm.

Question 2

Who among the following persons did not play an important role in the discovery of the neutron?
 
a. Henri Becquerel
  b. Walter Bothe and Herbert Becker
  c. James Chadwick
  d. Irene Curie and Frederic Joliot


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fffftttt

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Reply #1 on: Jul 28, 2018
Answer to Question 1

e. this is about the right size and description.

Answer to Question 2

Henri Becquerel was responsible for discovering the first radiation, which was not neutrons but rather alpha and beta particles.
a.


tuffie

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Reply 2 on: Jul 28, 2018
Wow, this really help

mohan

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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