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

Author Question: The atomic number of an element that appears in the periodic table of the elements represents A) ... (Read 118 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
The atomic number of an element that appears in the periodic table of the elements represents
 
  A) the number of neutrons in the nucleus of an atom of that element.
  B) the number of protons in the nucleus of an atom of that element.
  C) the number of atoms in a molecule of the element.
  D) the number of electrons in the nucleus of an atom of that element.
  E) the number of nuclei in an atom of the element.

Question 2

A ball is thrown vertically into the air. Because of air resistance, its time coming down compared with its time going up is
 
  A) less.
  B) the same.
  C) more.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaylee05

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

B

Answer to Question 2

Answer: C




schs14

  • Member
  • Posts: 569
Reply 2 on: Jul 29, 2018
Gracias!


covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

 

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?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library