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

Author Question: What is corundum? If it is not in the rare form described here, do we use it for anything? What ... (Read 26 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
on: Jul 16, 2018
What is corundum? If it is not in the rare form described here, do we use it for anything?
 
  What will be an ideal response?

Question 2

One mineral is held together by van der Waal's forces and the other is held together by metallic bonds. Which is stronger?
 
  A) They are equally strong.
  B) They are equally weak.
  C) The mineral held together by metallic bonds is stronger.
  D) The mineral held together by van der Waal's forces is weaker.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fraziera112

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: a hard mineral, sandpaper

Answer to Question 2

Answer: C


bobypop

  • Member
  • Posts: 539
Reply 2 on: Jul 16, 2018
Wow, this really help

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
MDCK cells can form cysts in culture MDCK cells can form cysts in culture
Example of Truth in Lending form. Example of Truth in Lending form.
How to graph quadratic equations that are in vertex form How to graph quadratic equations that are in vertex form
Oligosaccharides and proteins can be linked to form glycoproteins in two ways Oligosaccharides and proteins can be linked to form glycoproteins in two ways
Classification of Clouds According to Height and Form Classification of Clouds According to Height and Form
Video: Homeostasis (range of body conditions, normal limits, mild stresses & severe stresses)

For a complete list of videos, visit our video library