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Author Question: Atoms that have the same number of protons and different numbers of neutrons are called A) ... (Read 110 times)

Marty

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on: Jul 16, 2018
Atoms that have the same number of protons and different numbers of neutrons are called
 
  A) radioactive.
  B) isotopes.
  C) electrons.
  D) carbon atoms.

Question 2

True or False: Only sedimentary rocks can be assigned to geologic periods because they are the only rocks that contain fossils.
 
  Indicate whether this statement is true or false.


chloejackso

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: FALSE


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