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Author Question: Radioactivity is A) the spontaneous emission of radiation from unstable elements. B) the ... (Read 67 times)

charchew

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on: Aug 27, 2018
Radioactivity is
 
  A) the spontaneous emission of radiation from unstable elements.
  B) the emission of light from certain substances after exposure to sunlight.
  C) the spontaneous emission of radio waves from matter.
  D) the emission of light from matter when exposed to radio waves.

Question 2

How many moles of aluminum chloride can be obtained from 4.5 moles of aluminum and excess chlorine?
 
  Al + Cl2  AlCl3
  A) 1.5
  B) 3.0
  C) 4.5
  D) 6.0

Question 3

Which of the following compounds is not a weak electrolyte when dissolved in distilled water?
 
  A) ammonia
  B) acetic acid (vinegar)
  C) potassium chloride
  D) hydrogen fluoride


jesse.fleming

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

A

Answer to Question 2

C

Answer to Question 3

C


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charchew

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Reply #2 on: Aug 27, 2018
TY


jesse.fleming

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Reply #3 on: Aug 27, 2018
You're welcome


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