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

Author Question: Heavy-water molecules have a mass number of A) 18. B) 3. C) 12. D) 10. E) ... (Read 72 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
Heavy-water molecules have a mass number of
 
  A) 18.
  B) 3.
  C) 12.
  D) 10.
  E) 20.

Question 2

If an element of atomic number 15 has an isotope of mass number 32
 
  A) the number of neutrons in the nucleus is 15.
  B) the number of neutrons in the nucleus is 17.
  C) the number of protons in the nucleus is 17.
  D) the number of nucleons in the nucleus is 15.
  E) the number of protons in the nucleus is 32.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briseldagonzales

  • Sr. Member
  • ****
  • Posts: 303
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

B


roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
Gracias!

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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.

Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Liposomal amphotericin B: Drug molecules are embedded in the lipid bilayer. Liposomal amphotericin B: Drug molecules are embedded in the lipid bilayer.
An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ... An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ...
Antidiuretic hormone regulates water excretion from the kidneys Antidiuretic hormone regulates water excretion from the kidneys
Video: Reflex arc construction

For a complete list of videos, visit our video library