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Author Question: Suppose that a particular chemical substance is pure contains no impurities, and that it is not ... (Read 39 times)

ssal

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on: Jul 29, 2018
Suppose that a particular chemical substance is pure contains no impurities, and that it is not possible to decompose this substance by chemical means. What can we conclude from this?
 
  A) The substance must be a chemical compound.
  B) The substance must be an element.
  C) The substance must be one of the ideal, or perfect, gases.
  D) The substance must be incapable of entering into chemical reactions of any kind.
  E) None of the above.

Question 2

Suppose a certain type of atom had just 5 different energy levels. How many different frequencies could be emitted by a gas composed of atoms of this type?
 
  A) 10
  B) 4
  C) 25
  D) 5
  E) an infinite number


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allisonblackmore

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


ssal

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


allisonblackmore

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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