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Author Question: The mass number of an element is ________. A) the sum of the protons and the neutrons B) the sum ... (Read 91 times)

karateprodigy

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on: Aug 27, 2018
The mass number of an element is ________.
 
  A) the sum of the protons and the neutrons
  B) the sum of the electrons and the protons
  C) the sum of the electrons and the neutrons
  D) the sum of the isotopes
  E) the number of protons

Question 2

Which of the following statements best describes the usual properties of most compounds besides water?
 
  A) The density of a material increases when it solidifies.
  B) The volume of a material increases when it solidifies.
  C) The mass of a material increases when it solidifies.
  D) The molecules become more closely packed when they liquify.
  E) none of the above


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Edwyer

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A


karateprodigy

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

xoxo123

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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