Suppose that a particular chemical substance is pure contains no ...

[ssal]

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

[allisonblackmore]

Answer to Question 1

B

Answer to Question 2

A

[ssal]

Both answers were spot on, thank you once again

[allisonblackmore]

Great! Please up vote