Minerals

Question 1

What is an atom?

Answer 1

Smallest part of an element and has all the properties of that particular element. Atoms make up compounds.

Question 2

What is a compound?

Answer 2

A substance made of two or more elements that are bonded together or have been chemically joined.

Question 3

What are minerals?

Answer 3

Has four properties, is a solid, naturally formed, inorganic, and has a crystalline structure, fixed chemical formula

Question 4

Which two elements are most common in minerals?

Answer 4

Oxygen and silicon

Question 5

How are silicate materials different from nonsilicate materials?

Answer 5

Silicate is a mixture of silicon and oxygen. 90% of the earth’s crust is made up of Silicate. The other 10% is made up of nonsilicate which does not have a mixture of silicon and oxygen

Question 6

Are cupcakes, teeth, water and oxygen- minerals?

Answer 6

No *know why**

Question 7

How do you determine a minerals streak?

Answer 7

Rub the mineral on an unglazed porcelain plate and lol at the color powder left behind

Question 8

What is the difference between cleavage and fracture?

Answer 8

C- mineral breaks of a flat edge

F- mineral brakes on many uneven, rugged pieces

Question 9

What do you do to determine the hardness of a mineral?

Answer 9

The Moh’s hardness scale, you scratch the mineral you are trying to figure out with a mineral listed on the hardness scale, the mineral is scratched it is softer then the mineral it is scratched with

Question 10

T/F topaz is harder then Quartz

Answer 10

True

Question 11

Is using the color of a mineral to determine what it is reliable?

Answer 11

No

Question 12

What is an example of of how a mineral a is described by luster?

Answer 12

Pearly, waxy, dull etc

Question 13

What property applies to only a few mineral ?

Answer 13

Magnetism

Question 14

T/F talc can scratch fluorite

Answer 14

False

Question 15

T/F Pipetting by mouth is always a good idea

Answer 15

False

Question 16

T/F One can find out about safety precautions, and appropriate first aid, about a chemical by using the SFS, or “Sheets for Safety”.

Answer 16

False

Question 17

T/F Aprons can be used in the lab during experiments. One reason to use an apron instead of a lab coat would be to remove the apron quickly if a spill on it should occur.

Answer 17

True

Question 18

T/FIf glass should fall and break, the appropriate action would be to immediately pick up the broken pieces with your hands.

Answer 18

False

Question 19

T/F In order to carry out a chemical reaction that produces potentially dangerous odors, one should use a fume hood.

Answer 19

True