Earth Science - Chapter 4 Minerals Review

Question 1

If chromite was no longer an available ore, which mineral would be the best replacement for it?

Accepted Answer

iron

Question 2

If one oxygen element were removed, the resulting mineral would still be calcite.

Accepted Answer

False

Question 3

Trace elements in a mineral don't affect the color or value of the mineral.

Accepted Answer

False

Question 4

For a mineral to be considered an ore, which requirement must it meet?

Accepted Answer

its production must generate a profit

Question 5

Which of the following is NOT a test used to identify all minerals?

Accepted Answer

Magnetism

Question 6

Where do the tetrahedral bond to each other in silicate minerals?

Accepted Answer

at any oxygen atom

Question 7

Due to its intricate network, sheet tetrahedron minerals don't separate easily.

Accepted Answer

False

Question 8

Since Calcite leaves a white streak, it's a white mineral

Accepted Answer

False

Question 9

The classification of a mineral as an ore doesn't change once it has been mined.

Accepted Answer

False

Question 10

The appearance of milky quartz is caused by

Accepted Answer

trapped bubbles of gas and liquid

Question 11

What's true about minerals?

Accepted Answer

Naturally occurring/inorganic

Question 12

Minerals always exist in a(n) ______ form.

Accepted Answer

solid

Question 13

Minerals can be identified based on physical and chemical properties.

Accepted Answer

True

Question 14

There are at least 3000 known minerals in Earth's crust.

Accepted Answer

True

Question 15

Calcite is the dominant mineral in the rock limestone. In which mineral group does it belong?

Accepted Answer

carbonates

Question 16

Which is an example of a mineral whose streak cannot be determined w/ a porcelain streak plate?

Accepted Answer

feldspar

Question 17

Mineral w/mass of 150 g and a volume of 25 cm3. Whats its density?

Accepted Answer

6g/cm3

Question 18

Ores near Earth's surface generally are obtained from

Accepted Answer

open-pit mines

Question 19

The most abundant elements in Earth's crust are

Accepted Answer

oxygen and silicon

Question 20

Since Calcite is nonmetallic, luster cannot be determined.

Accepted Answer

False

Question 21

Which element shown isn't considered one of the eight most common elements in Earth's crust?

Accepted Answer

Carbon

Question 22

Although a few minerals are composed of single elements, most are made from compounds.

Accepted Answer

True

Question 23

Which mineral would be most useful to a chef?

Accepted Answer

aluminum

Question 24

The most reliable way to identify a mineral is by using a combination of several tests.

Accepted Answer

True

Question 25

Silver, gold and copper have shiny surfaces and thus are said to have

Accepted Answer

metallic luster

Question 26

The most common minerals are feldspar, quartz and carbonates.

Accepted Answer

False

Question 27

What is the correct chemical formula for a silica tetrahedron?

Accepted Answer

SiO4-4

Question 28

96% of the minerals present in Earth's crust are in which mineral group?

Accepted Answer

Silicates

Question 29

Minerals break along planes where atomic bonds are

Accepted Answer

weak

Question 30

Which ore would a car manufacturer be least interested in?

Accepted Answer

Ilmenite

Question 31

What element is common to all four of these minerals?

Accepted Answer

Oxygen

Question 32

A mineral has a density of 4.5g/cm3. Its Volume is 30cm3. Whats its mass?

Accepted Answer

135 g

Question 33

Mineral crystals begin to precipitate out of a solution that has become saturated.

Accepted Answer

True

Question 34

Gems are prized for their great availability and beauty.

Accepted Answer

False

Question 35

Calcite can be scratched by a fingernail.

Accepted Answer

true

Earth Science - Chapter 4 Minerals Review

Questions 35

Earth Science - Chapter 4 Minerals Review

Questions 35