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

Author Question: Atoms of the same element that have different masses are called A) allotropes. B) anions. C) ... (Read 37 times)

fbq8i

  • Hero Member
  • *****
  • Posts: 527
Atoms of the same element that have different masses are called
 
  A) allotropes.
  B) anions.
  C) isotopes.
  D) molecules.

Question 2

Which is the correct statement about one mole of ammonia, NH3?
 
  A) It contains 14 g nitrogen and 3 g hydrogen.
  B) It contains 6.02  1023 molecules.
  C) It contains 1.8  1024 atoms of hydrogen.
  D) all of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

anyusername12131

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

C

Answer to Question 2

D




fbq8i

  • Member
  • Posts: 527
Reply 2 on: Aug 27, 2018
Gracias!


cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

 

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.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

For a complete list of videos, visit our video library