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 104 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
Great answer, keep it coming :)


Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Gracias!

 

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.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

For a complete list of videos, visit our video library