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Author Question: The mass of C in methane (CH4 ) is ________. A) 25.13 B) 133.6 C) 74.87 D) 92.26 E) ... (Read 107 times)

krzymel

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on: Aug 27, 2018
The mass  of C in methane (CH4 ) is ________.
 
  A) 25.13
  B) 133.6
  C) 74.87
  D) 92.26
  E) 7.743

Question 2

Isotopes are atoms that have the same ________ but differing ________.
 
  A) atomic masses, charges
  B) mass numbers, atomic numbers
  C) atomic numbers, mass numbers
  D) charges, atomic masses
  E) mass numbers, charges


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ecox1012

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

C

Answer to Question 2

C


krzymel

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Reply 2 on: Aug 27, 2018
:D TYSM

olderstudent

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Reply 3 on: Yesterday
Wow, this really help

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