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Author Question: Atoms with the same atomic number and different mass numbers ________. A) do not exist B) are ... (Read 253 times)

FButt

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on: Aug 27, 2018
Atoms with the same atomic number and different mass numbers ________.
 
  A) do not exist
  B) are isomers
  C) are isotopes
  D) are allotropes
  E) are resonance structures

Question 2

How many molecules of N2 are in a 500.0 mL container at 780 mm Hg and 135C?
 
  A) 8.76  1021
  B) 9.23  1021
  C) 2.65  1022
  D) 2.79  1022


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cassie_ragen

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

C

Answer to Question 2

B


FButt

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Reply #2 on: Aug 27, 2018
Thanks


cassie_ragen

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Reply #3 on: Aug 27, 2018
Welcome :)


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