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

Author Question: What factor increases the hardness of ionic substances? A) the presence of more free electrons ... (Read 55 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
What factor increases the hardness of ionic substances?
 
  A) the presence of more free electrons
  B) an increased charge on the ions
  C) a decreased charge on the ions
  D) multiple bonds

Question 2

Why does manganese, when added to calcite, cause the mineral to turn a deep red?
 
  A) The presence of trace constituents can affect color.
  B) Manganese overpowers the calcium in calcite.
  C) Manganese is formed under extremely hot conditions.
  D) Manganese is red and calcium is white, making red.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A




BRWH

  • Member
  • Posts: 553
Reply 2 on: Jul 16, 2018
:D TYSM


sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library