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Author Question: Which of the following best describes the fundamental difference between two different chemical ... (Read 42 times)

ahriuashd

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Which of the following best describes the fundamental difference between two different chemical elements (such as oxygen and carbon)?
 
  A) They have different numbers of protons in their nucleus.
  B) They have different names.
  C) They have different numbers of electrons.
  D) They have different atomic mass numbers.

Question 2

Nearby active galaxies, such as Centaurus A, are likely the mergers between colliding galaxies.
 
  Indicate whether the statement is true or false



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cici

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Answer to Question 1

A

Answer to Question 2

TRUE




ahriuashd

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


bbburns21

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Reply 3 on: Yesterday
Excellent

 

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