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 123 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
Great answer, keep it coming :)


okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Excellent

 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

For a complete list of videos, visit our video library