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Author Question: How many neutrons are there in the sulfur-31 isotope? A) 47 B) 31 C) 15 D) ... (Read 53 times)

WWatsford

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on: Aug 27, 2018
How many neutrons are there in the sulfur-31 isotope?
 
  A) 47
  B) 31
  C) 15
  D) 16

Question 2

The pH of natural rainwater is close to ________.
 
  A) 5.6
  B) 6.3
  C) 7.0
  D) 8.2


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voltaire123

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

C

Answer to Question 2

A


WWatsford

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Reply 2 on: Aug 27, 2018
Gracias!

bimper21

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Reply 3 on: Yesterday
Excellent

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