[Answered] What is the hardness of quartz on the Mohs scale? a. 1 b. 4 c. 7 d. ...

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

Author Question: What is the hardness of quartz on the Mohs scale? a. 1 b. 4 c. 7 d. ... (Read 72 times)

TFauchery

Hero Member
Posts: 500

on: Jul 28, 2018

What is the hardness of quartz on the Mohs scale?
a. 1
b. 4
c. 7
d. 10

Question 2

Which of the following ions would never form in chemical reactions?
a. F2-
b. Al3+
c. O2-
d. N3-

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

matt

Sr. Member
Posts: 344

Reply #1 on: Jul 28, 2018

Answer to Question 1

c

Answer to Question 2

a

TFauchery

Hero Member
Posts: 500

Reply #2 on: Jul 28, 2018

Both answers were spot on, thank you once again

matt

Sr. Member
Posts: 344

Reply #3 on: Jul 28, 2018

Great! Please up vote

« previous next »

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.