nat sci (finals)

Question 1

are minerals composed of only one element

Answer 1

Native elements

Question 2

is the largest and most abundant group containing silicon and oxygen

Answer 2

SILICATE CLASS

Question 3

formed from the combination of a metal with oxygen.

Answer 3

Oxide

Question 4

made of compounds of sulfur usually with a metal

Answer 4

Sulfide

Question 5

are composed of positively charged metal ions joined with sulfide (S²) ions.

Answer 5

Sulfide minerals

Question 6

made of compounds of sulfur combined with metals and oxygen

Answer 6

Sulfates (Sulphate)

Question 7

form from halogen elements like chlorine, bromine, fluorine, and iodine combined with metallic elements

Answer 7

Halides

Question 8

group of minerals made of carbon, oxygen, and a metallic element.

Answer 8

Carbonates

Question 9

They are often formed when other minerals are broken down by weathering. They are often brightly colored.

Answer 9

Phosphates

Question 10

It is the term used for those substances that do not fit neatly into one of the eight classes.

Answer 10

Mineraloid

Question 11

Found in….
Drinking water
Toothpaste
Steel Manufacturing
Aluminum Products
Chemicals

Answer 11

Fluorite

Question 12

Found in…
Wiring
Tubing
Coins
Brass
Communications
Electronics
Appliances

Answer 12

Copper

Question 13

Found in….
Cosmetics
Baby Powder
Paint Paper

Answer 13

Talc

Question 14

Found in…
Batteries
Fishing tackle
Lead crystal
Medical shields
Ammunition

Answer 14

Galena

Question 15

_______ is rarely found in nature in its uncombined form. In fact it is amazing how rare ___________ is with ___% of the Earth’s crust being silicon. Silicon, binds strongly with oxygen and is nearly always found as __________ (Quartz)

Answer 15

Silica
Silicon
native silicon
25.7
silicon dioxide

Question 16

Found in…
Electronics
Computer
Industry
All types of glass
Nail polish
Cleaners
Ceramics
Paint
Abrasives
Sand blasting

Answer 16

Silica

Question 17

Found in…
Plasters
Wall board
Porcelain
Pharmaceuticals
Medicines
Soil conditioners
Bakery goods
Cement

Answer 17

Gypsum

Question 18

Found in..
Automobiles
Ships
Appliances
Canned goods
Vitamins
Pigments
Nails
Cooking utensils
communications

Answer 18

Hematite

Question 19

Found in..
Pencil lead
Lubricants
Bricks
Sports
equipment (tennis rackets, skis, golf clubs, fishing rods)
Aerospace

Answer 19

Graphite

Question 20

Found in…
Table salt
Water softening
Drinking water
Bleach
Cloth
Chemicals
Livestock Supplements

Answer 20

Halite

Question 21

Found in…
Another major ore of Iron (magnetic)

Answer 21

Magnetite

Question 22

The process of mineral extraction from a rock seam or ore

Answer 22

Mining

Question 23

a natural rock or sediment containing one or more valuable mineral

Answer 23

Ore

Question 24

is used to extract ore minerals near the surface of the earth

Answer 24

Surface Mining

Question 25

is used to extract the rocks, minerals and other precious stones that can be found beneath the earth's surface

Answer 25

Underground mining

Question 26

It is used to mine gravel and sand and even rock.

Answer 26

Open-pit Mining means a big hole (or pit) in the ground.

Question 27

removal of soil and rock (overburden) above a layer or seam (particularly coal), followed by the removal of the exposed mineral.

Answer 27

Strip mining

Question 28

This is the process of mining materials from the bottom of a body of water, including rivers, lakes, and oceans.

Answer 28

Dredging

Question 29

the process of extracting minerals from the ore, refining them, and preparing these minerals for use.

Answer 29

Mineral Processing

Question 30

is the removal of a portion which represents a whole needed for the analysis of this material.

Answer 30

Sampling

Question 31

is important to evaluate the valuable component in an ore. This includes chemical, mineral and particle size analysis.

Answer 31

Analysis

Question 32

is the process where the valuable components of the ore are separated through crushing and grinding. This process begins by crushing the ores to a particular size and finishes it by grinding the ores into a powder form.

Answer 32

Comminution

Question 33

involves the separation of the valuable minerals from the raw materials

Answer 33

Concentration

Question 34

uses the concentration to convert it to usable minerals. This involves filtration and sedimentation of the suspension and drying of the solid materials harvested from this suspension.

Answer 34

Dewatering