Deck 23: Periodic Table of the Elements

Question 1

According to the data shown, a 75% acid mine drainage mixture is most effective at removing from fracking wastewater and least effective at removing .

A) sulfates; strontium
B) strontium; sulfates
C) radium; strontium
D) barium; sulfates
E) sulfates; barium

Answer 1

D

Question 2

Subsurface mining is used extensively in the extraction of _.

A) limestone, natural gas, and peat
B) coltan
C) oil sands
D) coal, diamonds, and gold

Answer 2

D

Question 3

Coltan ore contains .

A) cobalt
B) coal
C) uranium
D) tantalum
E) aluminum

Answer 3

D

Question 4

Bauxite ore is a source of .

A) coltan
B) coal
C) aluminum
D) tantalum
E) lead

Question 5

In 2010, geologists from the U.S. military discovered nearly $1 trillion worth of minerals in .

A) Afghanistan
B) Vietnam
C) Nevada
D) Peru
E) Iraq

Question 6

Examples of valuable nonmetallic minerals extracted by mining are .

A) lead, cadmium, mercury
B) nitrogen, hydrogen, neon
C) diamonds, gravel, phosphate
D) gold, platinum, copper
E) radon, radium, sodium

Question 7

Tantalum is used primarily for the manufacture of .

A) pesticides, fertilizers, and biodiesel fuel
B) aerospace engines and aircraft hulls
C) plastics
D) high -quality steel
E) electronics such as cell phones, computers, digital cameras

Question 8

The newest bonanza for recycling scarce and toxic metals is to recover them from _ .

A) compact discs, LPs and 8 -track tapes
B) e -wastes such as computers
C) closed landfills
D) car batteries
E) construction sites

Question 9

It takes energy to produce aluminum from ore than to obtain it from recycled sources.

A) roughly the same amount of
B) 20 times more
C) 7 times less
D) 7 times more
E) 20 times less

Question 10

If you want to avoid buying a "blood diamond," you should avoid purchasing .

A) a diamond mined from a subsurface mine in the Ukraine
B) any rose -colored diamonds
C) a diamond from the Democratic Republic of the Congo
D) a diamond that has been manufactured from mercury via alchemy
E) a synthetically produced diamond

Question 11

Once the contaminants have been removed from the fracking wastewater, the water can be reused for additional drilling. One problem created by using this technique to purify fracking wastewater is that _.

A) valuable metals such as iron and silver are also removed
B) the leftover metals and radioactivity are likely to harm the workers from the hydrofracturing company who are performing their jobs
C) the water is still too contaminated to pump into nearby waterways and thus needs to be stored in lead -lined steel drums
D) people have mistaken purified fracking water as drinking water and become exposed to deadly levels of radiation and heavy metals
E) the heavy metals and radioactive radium are hazardous and must be disposed of properly

Question 12

The dwindling supplies of rare metals such as indium, tantalum, and platinum may be extended if we rigorously _.

A) exploit known deposits more efficiently
B) reduce demands for social and economic justice
C) relax environmental requirements for mining
D) recycle existing supplies
E) increase demand for the products in which they are used

Question 13

According to critics, the U.S. General Mining Act of 1872 .

A) has pollution and remediation clauses that are too strict
B) practically gives away resources located on public land
C) opens mining rights to foreign nations which stake claims on U.S. land
D) has allowed mining in urban centers with dense commercial development
E) makes mining unprofitable except for the largest corporations

Question 14

According to the data, which of the following substances is most difficult to remove from fracking wastewater using this technique?

A) water
B) barium
C) radium
D) sulfates
E) strontium

Question 15

In Appalachia, many miners are out of work because .

A) of local protests that shut down mining operations
B) they were fired for protesting mountaintop removal
C) of a moratorium on mountaintop removal
D) coal extraction has decreased because the region is beginning to run out of coal
E) they are not needed, since mountaintop removal is highly mechanized

Question 16

If a mineral is opaque, lustrous, malleable and can conduct heat and electricity, it is a(n) .

A) crystal
B) element
C) gemstone
D) metal
E) radioactive element

Question 17

Smelting of iron ore involves .

A) dissolving the ore in hot water to separate iron and aluminum
B) crushing and heating the ore to its melting point
C) oxidizing iron to ferric oxide and then adding silicon and boron
D) washing the ore with acid to extract iron
E) heating the ore beyond iron's melting point and combining the material with carbon

Question 18

Longer projected lifetimes for scarce minerals can be achieved with all of the following, EXCEPT .

A) recycling
B) lowering prices for products using these minerals
C) exploring for new mineral reserves
D) finding more available substitutes for these minerals
E) researching more efficient extraction techniques

Question 19

Many types of mining, such as for coal, produce a specific type of water pollution called .

A) suspended limestone particles
B) sludge
C) acid drainage
D) eutrophication
E) chlorinated pesticides

Question 20

The U.S. Surface Mining Control and Reclamation Act of 1977 requires .

A) 20% of sales revenues to be donated to national park maintenance
B) no remediation of water pollution, except in the case of uranium mining
C) mining companies to post bonds to cover restoration of mined areas before permits are granted
D) all mined minerals to be processed and sold only within the United States
E) restoration of the identical ecosystem and biodiversity present before mining began

Question 21

Placer mining involves the use of .

A) screens or pans and running water
B) draglines and heavy dump trucks
C) a pickaxe and rock hammer
D) explosives and support beams
E) seismic activators and thermal couplers

Question 22

A useful benefit from mining profits could be .

A) establishing high -end tourist hotels for visiting foreign mine executives and their families
B) permanent enclaves of foreign scientists and mine managers located near mining sites
C) using the U.S. military to provide security at mines
D) creation of improved roads into and around mining sites for corporate transport and mining machinery
E) training for Afghan mining technicians and establishing Afghan mining institutes

Question 23

A(n)

A) alloy
B) ore is formed by the fusion of a metal with another metal or a nonmetal.
C) aggregation
D) tailing
E) smelting

Question 24

A(n) is a solid aggregation of _.

A) rock; minerals
B) crystal; rocks
C) element; crystals
D) mineral; crystals
E) mineral; rocks