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Author Question: After one half-life, 50 of a radioactive sample will remain. After the second half-life, none of the ... (Read 177 times)

LaDunn

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on: Aug 27, 2018
After one half-life, 50 of a radioactive sample will remain. After the second half-life, none of the radioactivity will be left.
 
  Indicate whether the statement is true or false

Question 2

The use of gasoline is an endothermic reaction.
 
  Indicate whether the statement is true or false


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tdewitt

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

FALSE

Answer to Question 2

FALSE


LaDunn

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


tdewitt

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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