This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Atoms of the same element that have different masses are called A) allotropes. B) anions. C) ... (Read 50 times)

fbq8i

  • Hero Member
  • *****
  • Posts: 527
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
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 :)

amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

A double bond between two oxygen atoms A double bond between two oxygen atoms
Platycnemididae are a family of damselfly called white-legged damselflies. Platycnemididae are a family of damselfly called white-legged damselflies.
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil
Continental Polar (cP) and Continental Arctic (cA) Air Masses Continental Polar (cP) and Continental Arctic (cA) Air Masses
Video: Audiology

For a complete list of videos, visit our video library