Author Question: How many valence electrons does an atom of Cu possess? A) 2 B) 9 C) 11 D) 3 E) ... (Read 88 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
How many valence electrons does an atom of Cu possess?
 
  A) 2
  B) 9
  C) 11
  D) 3
  E) 1

Question 2

Calculate the mass, in kg, of 4.87  1025 atoms of Zn.
 
  A) 5.29 kg
  B) 1.89 kg
  C) 8.09 kg
  D) 1.24 kg
  E) 1.09 kg



mcni194

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

For a complete list of videos, visit our video library