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  2. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    The three common states of matter. Along with oxidane, water is one of the two official names for the chemical compound H 2 O; [50] it is also the liquid phase of H 2 O. [51] The other two common states of matter of water are the solid phase, ice, and the gaseous phase, water vapor or steam.

  3. State of matter - Wikipedia

    en.wikipedia.org/wiki/State_of_matter

    A distinct state of matter can be defined as any set of states distinguished from any other set of states by a phase transition. Water can be said to have several distinct solid states. [7] The appearance of superconductivity is associated with a phase transition, so there are superconductive states.

  4. List of states of matter - Wikipedia

    en.wikipedia.org/wiki/List_of_states_of_matter

    Metallic and insulating states of materials can be considered as different quantum phases of matter connected by a metal-insulator transition. Materials can be classified by the structure of their Fermi surface and zero-temperature dc conductivity as follows: [4] Metal: Fermi liquid: a metal with well-defined quasiparticle states at the Fermi ...

  5. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    Water (H 2 O) is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue.It is by far the most studied chemical compound [20] and is described as the "universal solvent" [21] and the "solvent of life". [22]

  6. Classical element - Wikipedia

    en.wikipedia.org/wiki/Classical_element

    The earliest Buddhist texts explain that the four primary material elements are solidity, fluidity, temperature, and mobility, characterized as earth, water, fire, and air, respectively. [30] The Buddha's teaching regarding the four elements is to be understood as the base of all observation of real sensations rather than as a philosophy. The ...

  7. Phase diagram - Wikipedia

    en.wikipedia.org/wiki/Phase_diagram

    A phase diagram in physical chemistry, engineering, mineralogy, and materials science is a type of chart used to show conditions (pressure, temperature, etc.) at which thermodynamically distinct phases (such as solid, liquid or gaseous states) occur and coexist at equilibrium.

  8. Alchemical symbol - Wikipedia

    en.wikipedia.org/wiki/Alchemical_symbol

    The squared circle: an alchemical symbol (17th century) illustrating the interplay of the four elements of matter symbolising the philosopher's stone. Antimony ♁ (in Newton), also ; Arsenic 🜺 Bismuth ♆ (in Newton), 🜘 (in Bergman) Cobalt (approximately 🜶) (in Bergman) Manganese (in Bergman)

  9. Liquid - Wikipedia

    en.wikipedia.org/wiki/Liquid

    Thermal image of a sink full of hot water with cold water being added, showing how the hot and the cold water flow into each other. Liquid is one of the four primary states of matter, with the others being solid, gas and plasma. A liquid is a fluid. Unlike a solid, the molecules in a liquid have a much greater freedom to move. The forces that ...