Periodic Table and Atomic Numbers

0.0(0)
studied byStudied by 1 person
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/89

flashcard set

Earn XP

Description and Tags

Yippe

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

90 Terms

1
New cards

Hydrogen

H (1) - The lightest and most abundant element in the universe, it is a colorless, odorless gas essential for life and a key component of water.

2
New cards

Helium

He (2) - A colorless, odorless noble gas that is the second lightest element, primarily used in balloons and as a cooling medium in cryogenics.

3
New cards

Lithium

Li (3) - A soft, silvery-white alkali metal used in rechargeable batteries, glass, and medications for bipolar disorder.

4
New cards

Beryllium

Be (4) - A rare, hard, and lightweight alkaline earth metal used in aerospace components and X-ray equipment.

5
New cards

Boron

B (5) - A metalloid essential for plant growth, primarily used in glass and ceramics and in semiconductor applications.

6
New cards

Carbon

C (6) - A fundamental building block of life, found in organic compounds, fuels, and materials like graphite and diamonds.

7
New cards

Nitrogen

N (7) - A colorless, odorless gas that makes up about 78% of Earth's atmosphere; essential for life as part of amino acids and nucleic acids.

8
New cards

Oxygen

O (8) - A highly reactive gas that supports combustion and is necessary for respiration in most living organisms; comprises about 21% of the atmosphere.

9
New cards

Fluorine

F (9) - A pale yellow gas and the most electronegative element; used in toothpaste and Teflon production.

10
New cards

Neon

Ne (10) - A colorless noble gas that emits a bright reddish-orange glow when electrified; commonly used in neon signs.

11
New cards

Sodium

Na (11) - A soft, silvery-white metal that reacts vigorously with water; essential for human life and used in sodium vapor lamps.

12
New cards

Magnesium

Mg (12) - A lightweight, silvery-white metal used in alloys, fireworks, and as an essential nutrient for plants and animals.

13
New cards

Aluminum

Al (13) - A lightweight, silvery-white metal known for its corrosion resistance and high strength-to-weight ratio; used in packaging, transport, and construction.

14
New cards

Silicon

Si (14) - A semimetal most commonly used in electronics and solar panels; it is a major component of glass and ceramics.

15
New cards

Phosphorus

P (15) - A nonmetal essential for life, present in DNA, RNA, and ATP; used in fertilizers and detergents.

16
New cards

Sulfur

S (16) - A yellow non-metal that is vital to life and is widely used in the production of sulfuric acid and fertilizers.

17
New cards

Chlorine

Cl (17) - A greenish-yellow gas used as a disinfectant in water treatment and in making various consumer products.

18
New cards

Argon

Ar (18) - A colorless, odorless noble gas utilized in welding and as an inert gas in light bulbs.

19
New cards

Potassium

K (19) - A soft, silvery-white alkali metal important for plant growth and a critical electrolyte for humans.

20
New cards

Calcium

Ca (20) - A reactive, soft metal used in construction and essential for living organisms, particularly in bones and teeth.

21
New cards

Scandium

Sc (21) - A silvery-white metal used in aerospace applications and to improve the strength of aluminum alloys.

22
New cards

Titanium

Ti (22) - A strong, lightweight metal resistant to corrosion, often used in aircraft, medical devices, and sports equipment.

23
New cards

Vanadium

V (23) - A hard, silvery metal used to produce strong steel alloys and in various chemical reactions.

24
New cards

Chromium

Cr (24) - A hard metal known for its high corrosion resistance, commonly used in stainless steel and chrome plating.

25
New cards

Manganese

Mn (25) - A grayish-white metal used primarily in steel production and as a nutrient in biological systems.

26
New cards

Iron

Fe (26) - A strong, malleable metal widely used in construction and essential for oxygen transport in blood.

27
New cards

Cobalt

Co (27) - A bluish-gray metal used in batteries, magnets, and as a pigment in glass.

28
New cards

Nickel

Ni (28) - A shiny, silvery-white metal with high corrosion resistance, essential in stainless steel production.

29
New cards

Copper

Cu (29) - A reddish-brown metal known for its excellent electrical conductivity, widely used in wiring and plumbing.

30
New cards

Zinc

Zn (30) - A bluish-white metal used primarily for galvanization, preventing corrosion in steel structures.

31
New cards

Gallium

Ga (31) - A soft, silvery metal that melts just above room temperature; used in electronics and semiconductors.

32
New cards

Germanium

Ge (32) - A semimetal used in fiber optics, infrared optics, and transistors.

33
New cards

Arsenic

As (33) - A metalloid known for its toxicity and used in some semiconductors and products like pesticides.

34
New cards

Selenium

Se (34) - A nonmetal that is essential in small amounts for cellular function and is used in solar cells and photocopiers.

35
New cards

Bromine

Br (35) - A reddish-brown liquid at room temperature, used in flame retardants and certain pharmaceuticals.

36
New cards

Krypton

Kr (36) - A colorless, odorless noble gas used in lighting and photography.

37
New cards

Rubidium

Rb (37) - A soft, silvery-white alkali metal used in atomic clocks and research.

38
New cards

Strontium

Sr (38) - A soft, silvery metal used in fireworks and in the production of ferrite magnets.

39
New cards

Yttrium

Y (39) - A silvery metal used in phosphors for color television tubes and in certain alloys.

40
New cards

Zirconium

Zr (40) - A strong, corrosion-resistant metal used in nuclear reactors and in the production of ceramics.

41
New cards

Niobium

Nb (41) - A gray metal used in superconducting materials and as an alloying agent in steel.

42
New cards

Molybdenum

Mo (42) - A hard metal known for its high melting point, often used as an alloy in steel.

43
New cards

Technetium

Tc (43) - A rare, radioactive metal used in medical diagnostic imaging.

44
New cards

Ruthenium

Ru (44) - A hard, rare metal used in electrical contacts and as a catalyst.

45
New cards

Rhodium

Rh (45) - A shiny metal known for its reflectivity and resistance to corrosion, primarily used in catalytic converters.

46
New cards

Palladium

Pd (46) - A silvery-white metal used in catalytic converters and as a component in jewelry.

47
New cards

Silver

Ag (47) - A precious metal valued for its conductivity, used in jewelry, tableware, and electronics.

48
New cards

Cadmium

Cd (48) - A soft, bluish-white metal used in batteries and coatings, but toxic to humans and the environment.

49
New cards

Indium

In (49) - A soft, malleable metal used in electronics, specifically in LCD displays.

50
New cards

Tin

Sn (50) - A silvery-white metal used in alloys (like bronze) and coatings to prevent corrosion.

51
New cards

Antimony

Sb (51) - A metalloid used in flame retardants and lead-acid batteries.

52
New cards

Tellurium

Te (52) - A brittle, silvery-white metalloid used in alloys and for raising the melting point of metals.

53
New cards

Iodine

I (53) - A dark purple-black solid that sublimates to a violet gas; used in disinfectants and in the thyroid function.

54
New cards

Xenon

Xe (54) - A colorless, odorless noble gas used in high-intensity lamps and as a general anesthetic.

55
New cards

Cesium

Cs (55) - A soft, gold-colored alkali metal used in atomic clocks and in various chemical research.

56
New cards

Barium

Ba (56) - A heavy alkaline earth metal used in contrast agents for medical imaging.

57
New cards

Lanthanum

La (57) - A soft, silvery-white metal used in camera and telescope lenses.

58
New cards

Cerium

Ce (58) - A rare metal used in polishing compounds and as a catalyst in automotive catalytic converters.

59
New cards

Praseodymium

Pr (59) - A silvery metal used in magnets and in certain types of glass and ceramics.

60
New cards

Neodymium

Nd (60) - A strong magnet metal used in computer hard drives and headphones.

61
New cards

Promethium

Pm (61) - A rare radioactive metal used in luminous paint and as a beta battery.

62
New cards

Samarium

Sm (62) - A metal used in powerful magnets and in nuclear reactors.

63
New cards

Europium

Eu (63) - A rare earth metal used in phosphorescent compounds for color television and fluorescent lighting.

64
New cards

Gadolinium

Gd (64) - A silvery metal often used in MRI contrast agents due to its paramagnetic properties.

65
New cards

Terbium

Tb (65) - A silvery-green metal used in solid-state devices and in green phosphors for lighting.

66
New cards

Dysprosium

Dy (66) - A rare earth metal used in high-temperature magnets and magnets for electric vehicles.

67
New cards

Holmium

Ho (67) - A silvery-white metal used in lasers and as a neutron absorber in nuclear reactors.

68
New cards

Erbium

Er (68) - A pink metal used in fiber optics and as a dopant in lasers.

69
New cards

Thulium

Tm (69) - A gray metal used in high-power lasers and in medical applications.

70
New cards

Ytterbium

Yb (70) - A soft gray metal used in various laser applications and in some solar cells.

71
New cards

Lutetium

Lu (71) - A dense metal used in various optical devices and as a catalyst.

72
New cards

Hafnium

Hf (72) - A shiny, silvery metal used in nuclear reactors and in the production of super alloys.

73
New cards

Tantalum

Ta (73) - A hard, blue-gray metal used in electronic components and surgical implants.

74
New cards

Tungsten

W (74) - A dense metal with the highest melting point, used in light bulb filaments and industrial machinery.

75
New cards

Rhenium

Re (75) - A rare metal used in high-temperature superalloys and catalysts.

76
New cards

Osmium

Os (76) - A dense blue-gray metal used in fountain pen tips and electrical contacts.

77
New cards

Iridium

Ir (77) - A dense, silvery-white metal used in spark plugs and as a corrosion-resistant coating.

78
New cards

Platinum

Pt (78) - A precious metal valued for its rarity and used in jewelry, catalytic converters, and various industrial applications.

79
New cards

Gold

Au (79) - A highly malleable and ductile precious metal utilized in jewelry, electronics, and as a standard for monetary systems.

80
New cards

Mercury

Hg (80) - A heavy, silvery liquid metal used in thermometers and barometers, but highly toxic.

81
New cards

Thallium

Tl (81) - A soft gray metal used in electronics and as a pesticide, though toxic to humans.

82
New cards

Lead

Pb (82) - A heavy metal used in batteries and radiation shielding, but toxic to the nervous system.

83
New cards

Bismuth

Bi (83) - A brittle, white metal often used in cosmetics and in pharmaceuticals.

84
New cards

Polonium

Po (84) - A highly radioactive element used as an alpha particle source in certain applications.

85
New cards

Astatine

At (85) - A rare and highly radioactive halogen that is conjectured to have applications in cancer treatment.

86
New cards

Radon

Rn (86) - A colorless, odorless noble gas formed from the decay of uranium, known for its radioactivity and health risks.

87
New cards

Francium

Fr (87) - A highly radioactive alkali metal with a very short half-life, found in trace amounts in nature.

88
New cards

Radium

Ra (88) - A highly radioactive metal used historically in luminous paints and as a cancer treatment.

89
New cards

Actinium

Ac (89) - A silvery-white radioactive metal used in radiation therapy.

90
New cards

Thorium

Th (90) - A weakly radioactive metal used in nuclear reactors and as a potential fuel source.