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

Author Question: What factor increases the hardness of ionic substances? A) the presence of more free electrons ... (Read 58 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
on: Jul 16, 2018
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
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


BRWH

  • Member
  • Posts: 553
Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Exercise increases the heart rate. Exercise increases the heart rate.
Ionic Bond Ionic Bond
Queen - I Want To Break Free Queen - I Want To Break Free
Disposal of Infectious Wastes and Substances Disposal of Infectious Wastes and Substances
How to common factor an expression How to common factor an expression
The response of the lac operon in the presence of lactose in a cell bearing the IS mutation The response of the lac operon in the presence of lactose in a cell bearing the IS mutation
Video: Phases of the Female Reproductive Cycle - Hormonal regulation

For a complete list of videos, visit our video library