Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

EARTHQUAKE > EXAM > Flashcards

EXAM Flashcards

1
Q

the lightest and most abundant element in the universe; used in fuel cells, rocket
fuel, and water formation

A

HYDROGEN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

used in detergents, glass, and semiconductors

A

BORON

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

a noble gas used in neon signs and high-voltage indicators.

A

NEON

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

used in gunpowder, fertilizers, and rubber production.

A

SULFUR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

used in aerospace alloys and sports equipment.

A

SCANDIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

used in atomic clocks and biomedical research.

A

RUBIDIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Highly conductive; used in wiring and plumbing.

A

COPPER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

used in magnets and nuclear reactors.

A

DYSPROSIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

used in catalytic converters and glass polishing.

A

CERIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

used in jewelry, medicine, and electrical conductivity.

A

SILVER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the only liquid metal; used in thermometers and industrial processes.

A

MERCURY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the strongest natural metal; used in filaments and armor.

A

TUNGSTEN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

used in stress gauges and lasers.

A

YTTERBIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

used in red and blue phosphors for TVs.

A

EUROPIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

essential for thyroid health; used in disinfectants.

A

IODINE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

used in superconductors and jet engines.

A

NIOBIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

used in stainless steel and chrome plating.

A

CHROMIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

essential for life; used in medicines, fireworks, and alloys.

A

MAGNESIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

used in photocopiers and vitamins.

A

SELENIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

used in electronics and catalysts.

A

RUTHENIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

a non-flammable noble gas used in balloons, deep-sea diving, and cooling superconductors

A

HELIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

essential for life; used in fertilizers, explosives, and the atmosphere.

A

NITROGEN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

essential for DNA and ATP; used in fertilizers and matches.

A

PHOSPHORUS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

crucial for biological functions; used in fertilizers and food preservation.

A

POTASSIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

used in steel alloys and batteries.

A

VANADIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

the most widely used metal; essential for blood hemoglobin.

A

IRON

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

toxic but used in semiconductors and medicine.

A

ARSENIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

used in LEDs, phosphors, and superconductors.

A

YTTRIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

used in touchscreens and semiconductors.

A

INDIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

one of the most corrosion-resistant metals; used in spark plugs and deep-sea equipment

A

IRIDIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

A precious metal used in jewelry, electronics, and finance.

A

GOLD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

used in PET scans and catalysts.

A

LUTETIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

used in green phosphors and fuel cells.

34
Q

used in aerospace components and X-ray windows.

35
Q

the basis of life; found in organic molecules and fossil fuels.

36
Q

a lightweight metal used in construction, packaging, and transportation

37
Q

used in magnets, batteries, and vitamin B12.

38
Q

a liquid nonmetal used in flame retardants and water treatment.

39
Q

used in nuclear reactors and heat-resistant ceramics.

40
Q

used in catalytic converters and jewelry.

41
Q

used in rechargeable batteries and mental health treatments.

42
Q

essential for respiration and combustion; the most abundant element in Earth’s crust.

43
Q

the main component of sand; used in computer chips and glass.

44
Q

used in disinfectants, water treatment, and PVC plastics.

45
Q

used in stainless steel, batteries, and coins.

46
Q

used in galvanizing iron, alloys, and the human immune system.

47
Q

used in fiber optics and infrared devices.

48
Q

a noble gas used in photography and specialized lighting.

49
Q

strengthens steel and is essential for enzymes.

A

MOLYBDENUM

50
Q

used in catalytic converters, electronics, and hydrogen storage.

51
Q

used in flame retardants and semiconductors.

52
Q

used in solar panels and metallurgy.

53
Q

a noble gas used in anesthesia, high-performance lamps, and ion propulsion engines.

54
Q

used in X-ray contrast solutions and fireworks.

55
Q

used in magnets and aerospace alloys.

A

PRASEODYMIUM

56
Q

used in magnets and cancer treatment.

57
Q

used in strong magnets and nuclear reactors.

58
Q

used in nuclear control rods and high-temperature alloys.

59
Q

the densest metal; used in fountain pen tips and electrical contacts.

60
Q

highly valuable and used in jewelry, catalytic converters, and medicine.

61
Q

highly reactive; used in toothpaste, Teflon, and refrigeration.

62
Q

essential for life; used in table salt and chemical production.

63
Q

a noble gas used in welding, light bulbs, and lasers.

64
Q

essential for bones and teeth; used in cement and food.

65
Q

strong, lightweight, and corrosion-resistant; used in implants and aircraft.

66
Q

essential for steelmaking and biological functions.

67
Q

used in semiconductors and LED lights.

68
Q

used in fireworks (red color) and medical imaging.

69
Q

a radioactive element used in medical imaging.

A

TECHNETIUM

70
Q

used in catalytic converters and jewelry.

71
Q

used in batteries, pigments, and coatings.

72
Q

used in alloys like bronze and solder.

73
Q

used in atomic clocks and oil drilling fluids.

74
Q

used in camera lenses and hybrid car batteries.

75
Q

used in powerful magnets for electronics.

76
Q

A radioactive element used in nuclear batteries.

A

PROMETHIUM

77
Q

used in MRI contrast agents.

A

GADOLINIUM

78
Q

used in fiber optic cables.

79
Q

used in portable X-ray machines.

80
Q

used in electronics and surgical implants.

81
Q

used in jet engines and catalysts.

EARTHQUAKE (21 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions