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Author Question: What is the formula for calcium hydroxide? A) CaOH B) Ca2OH C) Ca(OH)2 D) ... (Read 14 times)

maegan_martin

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What is the formula for calcium hydroxide?
 
  A) CaOH
  B) Ca2OH
  C) Ca(OH)2
  D) CaOH2

Question 2

When an unstable nucleus emits an alpha particle ________.
 
  A) its mass number is decreased by four units
  B) its atomic number is decreased by one unit
  C) its atomic number is increased by one unit
  D) its mass number is decreased by one unit



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Chelseyj.hasty

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Answer to Question 1

C

Answer to Question 2

A




maegan_martin

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Reply 2 on: Aug 27, 2018
Wow, this really help


helenmarkerine

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Reply 3 on: Yesterday
Gracias!

 

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