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Author Question: When was the existence of the neutron confirmed? a. in ancient times b. in 1895 c. in 1932 d. in ... (Read 81 times)

karlynnae

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on: Jul 28, 2018
When was the existence of the neutron confirmed?
 a. in ancient times
  b. in 1895
  c. in 1932
  d. in 1969

Question 2

The nuclei of atoms contain
 a. electrons only.
  b. neutrons only.
  c. protons and electrons.
  d. protons and neutrons.


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Briannahope

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

c

Answer to Question 2

d


karlynnae

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Reply #2 on: Jul 28, 2018
TY


Briannahope

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Reply #3 on: Jul 28, 2018
You're welcome


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