This topic contains a solution. Click here to go to the answer

Author Question: The mass of C in methane (CH4 ) is ________. A) 25.13 B) 133.6 C) 74.87 D) 92.26 E) ... (Read 99 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ecox1012

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

C

Answer to Question 2

C




krzymel

  • Member
  • Posts: 548
Reply 2 on: Aug 27, 2018
Wow, this really help


steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

For a complete list of videos, visit our video library