Wikipedia:Vital articles/Level/4/Physical sciences

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Vital articles is a list of subjects for which Wikipedia should have corresponding high-quality articles. It serves as a centralized watchlist to track the status of Wikipedia's most essential articles. This is one of eleven Level 4 sub-lists of ten thousand articles and is currently under construction.

Articles in the Vital list have their assessments labelled as:

  • Featured articles
  • Former featured articles
  • A-class articles
  • Good articles
  • Delisted good articles
  • Failed good article nominees
  • B-class articles
  • C-class articles
  • Start-class articles
  • Stub-class articles
  • List-class articles
  • Unassessed articles

The progress bar is auto-updated via category count, and the symbols and article counts are updated daily by User:cewbot. Please read the FAQ before modifying the article list.

This list is tailored to the English-language Wikipedia. There is also a list of ten thousand articles considered vital to Wikipedias of all languages.

For more information on this list and the process for adding articles please see the Frequently Asked Questions (FAQ) page.

Physical sciences

This section contains 1101 articles. Total 1,101 articles.

Class #Articles
FA 76
GA 111
B 358
C 459
FFA 25
DGA 44
Start 97

Basics

This section contains 11 articles.

  1. Science (Level 1)
  2. Scientific method (Level 3)
  3. Nature (Level 3)
  4. Experiment
  5. Field research
  6. Laboratory
  7. Observation
  8. Scientific law
  9. Research
  10. Scientific modelling
  11. Scientific theory

Measurement

This section contains 69 articles.

This section contains units of measurement and articles on metrology. For the measured quantities, see Science and Mathematics sections. For timekeeping and navigation, see Everyday Life and Technology. For measurement errors, see Statistics section in Mathematics.

Units of measurement

This section contains 59 articles.

Astronomy

This section contains 195 articles.

For astronomical instruments, see Technology: Optical Technology.

Astronomical objects

This section contains 61 articles.

Celestial mechanics and astrometry

This section contains 38 articles.

Galactic astronomy and extragalactic astronomy

This section contains 27 articles.

Physical cosmology

This section contains 16 articles.

  1. Physical cosmology (Level 3)
  2. Universe (Level 2)
    1. Observable universe
    2. Chronology of the universe
      1. Ultimate fate of the universe
  3. Big Bang (Level 3)
    1. Inflation (cosmology)
    2. Cosmic microwave background
  4. Galaxy formation and evolution
  5. Formation and evolution of the Solar System
    1. Nebular hypothesis
  6. Dark matter
  7. Dark energy
    1. Cosmological constant
  8. Redshift
    1. Hubble's law

Planetary science

This section contains 14 articles.

  1. Planet (Level 3)
    1. Terrestrial planet
    2. Giant planet
    3. Exoplanet
  2. Natural satellite (Level 3)
  3. Comet (Level 3)
  4. Minor planet
    1. Asteroid (Level 3)
    2. Dwarf planet
    3. Meteoroid
  5. Atmosphere
  6. Meteor shower
  7. Impact event
  8. Ring system

Stellar astronomy

This section contains 31 articles.

  1. Star (Level 3)
  2. Variable star
    1. Supernova (Level 3)
      1. Gamma-ray burst
    2. Nova
    3. Pulsar
    4. Cepheid variable
  3. Star system
    1. Planetary system
    2. Binary star
    3. Star cluster
  4. Stellar classification
  5. Stellar evolution
    1. Star formation
      1. Starburst galaxy
    2. Planetary nebula
    3. Protostar
    4. Main sequence
    5. Giant star
      1. Red giant
    6. Supergiant
    7. Wolf–Rayet star
    8. White dwarf
    9. Neutron star
  6. Stellar kinematics
  7. Stellar magnetic field
  8. Stellar structure
  9. Solar wind
  10. Metallicity
  11. Brown dwarf
  12. Hertzsprung–Russell diagram

Chemistry

This section contains 272 articles.

For biochemistry and chemical biology, see: Biology and health sciences; for chemical industry, see: Technology.

Chemical substances

This section contains 220 articles.

Chemical elements

This section contains 117 articles.

Basics

This section contains 5 articles.

  1. Chemical element (Level 2)
  2. Periodic table (Level 3)
  3. Allotropy
  4. Atomic number
  5. Atomic mass
Chemical element groups

This section contains 10 articles.

  1. Metal (Level 3)
  2. Alkali metal
  3. Alkaline earth metal
  4. Lanthanide
  5. Actinide
  6. Transition metal
  7. Metalloid
  8. Halogen
  9. Noble gas
  10. Synthetic element
Chemical elements

This section contains 102 articles.

  1. Hydrogen (Level 3)
  2. Helium
  3. Lithium
  4. Beryllium
  5. Boron
  6. Carbon (Level 3)
    1. Diamond
    2. Graphite
    3. Carbon nanotube
  7. Nitrogen (Level 3)
  8. Oxygen (Level 3)
    1. Ozone
  9. Fluorine
  10. Neon
  11. Sodium
  12. Magnesium
  13. Aluminium (Level 3)
  14. Silicon (Level 3)
  15. Phosphorus (Level 3)
  16. Sulfur (Level 3)
  17. Chlorine
  18. Argon
  19. Potassium
  20. Calcium
  21. Scandium
  22. Titanium
  23. Vanadium
  24. Chromium
  25. Manganese
  26. Iron (Level 3)
  27. Cobalt
  28. Nickel
  29. Copper (Level 3)
  30. Zinc
  31. Gallium
  32. Germanium
  33. Arsenic
  34. Selenium
  35. Bromine
  36. Krypton
  37. Rubidium
  38. Strontium
  39. Yttrium
  40. Zirconium
  41. Niobium
  42. Molybdenum
  43. Technetium
  44. Ruthenium
  45. Rhodium
  46. Palladium
  47. Silver (Level 3)
  48. Cadmium
  49. Indium
  50. Tin
  51. Antimony
  52. Tellurium
  53. Iodine
  54. Xenon
  55. Caesium
  56. Barium
  57. Lanthanum
  58. Cerium
  59. Praseodymium
  60. Neodymium
  61. Promethium
  62. Samarium
  63. Europium
  64. Gadolinium
  65. Terbium
  66. Dysprosium
  67. Holmium
  68. Erbium
  69. Thulium
  70. Ytterbium
  71. Lutetium
  72. Hafnium
  73. Tantalum
  74. Tungsten
  75. Rhenium
  76. Osmium
  77. Iridium
  78. Platinum
  79. Gold (Level 3)
  80. Mercury (element)
  81. Thallium
  82. Lead
  83. Bismuth
  84. Polonium
  85. Astatine
  86. Radon
  87. Francium
  88. Radium
  89. Actinium
  90. Thorium
  91. Protactinium
  92. Uranium
  93. Neptunium
  94. Plutonium
  95. Americium
  96. Curium
  97. Berkelium
  98. Californium

Chemical compounds

This section contains 85 articles.

Chemical compounds: General

This section contains 3 articles.

  1. Chemical compound (Level 3)
    1. Inorganic compound
    2. Organic compound
Inorganic compounds

This section contains 22 articles.

  1. Water (Level 2)
    1. Properties of water
    2. Ice
    3. Water vapor
  2. Oxide
    1. Carbon dioxide (Level 3)
    2. Carbon monoxide
    3. Nitrous oxide
    4. Titanium dioxide
  3. Hydrogen peroxide
  4. Cyanide
  5. Acid
    1. Boric acid
    2. Hydrochloric acid
    3. Hydrofluoric acid
    4. Nitric acid
    5. Phosphoric acid
    6. Sulfuric acid
  6. Base
    1. Ammonia
    2. Potassium hydroxide
    3. Sodium hydroxide
Salts

This section contains 20 articles.

  1. Salt (chemistry)
  2. Carbonate
    1. Calcium carbonate
    2. Sodium bicarbonate
    3. Sodium carbonate
  3. Chloride
    1. Calcium chloride
    2. Polyvinyl chloride
    3. Sodium chloride
  4. Nitrate
    1. Ammonium nitrate
    2. Potassium nitrate
    3. Sodium nitrate
  5. Silicate
    1. Sodium silicate
  6. Sulfate
    1. Alum
    2. Sodium sulfate
    3. Ammonium sulfate
    4. Magnesium sulfate
Organic compounds

This section contains 6 articles.

  1. Haloalkane
  2. Organophosphorus chemistry
  3. Organosilicon chemistry
    1. Silicone
  4. Organosulfur chemistry
    1. Thiol
Carbon–nitrogen bond

This section contains 4 articles.

  1. Amide
    1. Urea
    2. Nylon
  2. Amine
Carbon–oxygen bond

This section contains 16 articles.

  1. Alcohol
    1. Ethanol
    2. Methanol
  2. Aldehyde
    1. Formaldehyde
  3. Carboxylic acid
    1. Acetic acid
    2. Citric acid
    3. Lactic acid
  4. Ester
    1. Polyester
  5. Ether
  6. Ketone
    1. Acetone
  7. Phenol
    1. Tannin
Hydrocarbons

This section contains 14 articles.

  1. Hydrocarbon
  2. Alkane
    1. Butane
    2. Ethane
    3. Methane
    4. Propane
  3. Alkene
    1. Ethylene
      1. Polyethylene
    2. Propylene
      1. Polypropylene
  4. Aromatic compound
    1. Benzene
  5. Alkyne

Chemical mixtures

This section contains 18 articles.

Chemical mixtures: General

This section contains 12 articles.

  1. Alloy (Level 3)
  2. Mixture
  3. Aerosol
  4. Amalgam
  5. Colloid
  6. Dispersion
  7. Emulsion
  8. Foam
  9. Gel
  10. Solution
  11. Suspension
  12. Syngas
Specific alloys

This section contains 6 articles.

  1. Brass
  2. Bronze (Level 3)
  3. Cast iron
  4. Steel (Level 3)
    1. Stainless steel
  5. Wrought iron

Earth science

This section contains 262 articles.

For specific geographical places, see: Geography.

Basics

This section contains 2 articles.

  1. Earth science (Level 3)
  2. Natural resource

Natural disasters

This section contains 8 articles.

  1. Natural disaster
  2. Earthquake (Level 3)
  3. Flood (Level 3)
  4. Drought
  5. Avalanche
  6. Landslide
  7. Tsunami
  8. Wildfire

Earth

This section contains 164 articles.

Air

This section contains 59 articles.

Water

This section contains 29 articles.

Physics

This section contains 292 articles.

Basics

This section contains 23 articles.

  1. Physics (Level 2)
  2. Energy (Level 2)
    1. Conservation of energy
  3. Matter (Level 3)
    1. Atom (Level 2)
  4. Force (Level 3)
    1. Electromagnetism (Level 3)
    2. Gravity (Level 3)
    3. Strong interaction (Level 3)
    4. Weak interaction (Level 3)
  5. Spacetime
    1. Space (Level 3)
      1. Vacuum (Level 3)
    2. Time (Level 2)
  6. Mass–energy equivalence
  7. Quantum gravity
  8. Radiation
    1. Ionizing radiation
  9. Field (physics)
    1. Flux
  10. Gauge theory
  11. Symmetry (physics)
  12. Theoretical physics

Atomic, molecular and optical physics

This section contains 23 articles.

Color

This section contains 17 articles.

Condensed matter physics

This section contains 25 articles.

Electromagnetism

This section contains 45 articles.

Mechanics

This section contains 76 articles.

Nuclear physics

This section contains 8 articles.

  1. Nuclear physics
  2. Nuclear fission
  3. Nuclear fusion
  4. Nucleosynthesis
  5. Radioactive decay (Level 3)
    1. Alpha particle
    2. Beta particle
    3. Gamma ray

Particle physics

This section contains 35 articles.

Theory of relativity

This section contains 8 articles.

  1. Theory of relativity (Level 3)
  2. General relativity
  3. Special relativity
  4. Principle of relativity
  5. Equivalence principle
  6. Gravitational wave
  7. Lorentz transformation
  8. Michelson–Morley experiment

Thermodynamics

This section contains 15 articles.

  1. Thermodynamics (Level 3)
  2. Heat (Level 3)
  3. Temperature (Level 3)
    1. Absolute zero
  4. Pressure
  5. Laws of thermodynamics
  6. Heat capacity
  7. Heat transfer
  8. Entropy
  9. Enthalpy
  10. Black-body radiation
  11. Internal energy
  12. Thermodynamic cycle
  13. Thermodynamic free energy
  14. Ideal gas law

Waves

This section contains 17 articles.

  1. Wave (Level 3)
  2. Light (Level 3)
    1. Speed of light (Level 3)
  3. Acoustics
    1. Sound (Level 3)
      1. Speed of sound
    2. Ultrasound
  4. Amplitude
  5. Frequency
  6. Wavelength
  7. Diffraction
  8. Doppler effect
  9. Wave interference
  10. Noise
  11. Resonance
  12. Superposition principle
  13. Wave equation


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