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  2. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    Water is an inorganic compound with the chemical formula H 2 O. It is a transparent, tasteless, odorless, [ c ] and nearly colorless chemical substance . It is the main constituent of Earth 's hydrosphere and the fluids of all known living organisms (in which it acts as a solvent [ 19 ] ).

  3. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    Water is the chemical substance with chemical formula H 2 O; one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. [25] Water is a tasteless, odorless liquid at ambient temperature and pressure. Liquid water has weak absorption bands at wavelengths of around 750 nm which cause it to appear to have a blue color. [3]

  4. Chemical formula - Wikipedia

    en.wikipedia.org/wiki/Chemical_formula

    A chemical formula is a way of presenting information about the chemical ... For water, both formulae are H 2 O. A molecular formula provides more information about a ...

  5. Chemical bonding of water - Wikipedia

    en.wikipedia.org/wiki/Chemical_bonding_of_water

    Chemical bonding of water. Lewis Structure of H 2 O indicating bond angle and bond length. Water (H. 2O) is a simple triatomic bent molecule with C 2v molecular symmetry and bond angle of 104.5° between the central oxygen atom and the hydrogen atoms. Despite being one of the simplest triatomic molecules, its chemical bonding scheme is ...

  6. Outline of water - Wikipedia

    en.wikipedia.org/wiki/Outline_of_water

    Waterchemical substance with the chemical formula H 2 O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at ambient conditions , but it often co-exists on Earth with its solid state, ice , and gaseous state ( water vapor or steam ).

  7. Hydrate - Wikipedia

    en.wikipedia.org/wiki/Hydrate

    In organic chemistry, a hydrate is a compound formed by the hydration, i.e. "Addition of water or of the elements of water (i.e. H and OH) to a molecular entity". [5] For example: ethanol, CH3−CH2−OH, is the product of the hydration reaction of ethene, CH2=CH2, formed by the addition of H to one C and OH to the other C, and so can be ...

  8. Heavy water - Wikipedia

    en.wikipedia.org/wiki/Heavy_water

    Heavy water (deuterium oxide, 2. H. 2O, D. 2O) is a form of water whose hydrogen atoms are all deuterium (2. H or D, also known as heavy hydrogen) rather than the common hydrogen-1 isotope (1. H, also called protium) that makes up most of the hydrogen in normal water. [3]

  9. Portal:Water - Wikipedia

    en.wikipedia.org/wiki/Portal:Water

    The Water Portal. Water is an inorganic compound with the chemical formula H2O. It is a transparent, tasteless, odorless, and nearly colorless chemical substance. It is the main constituent of Earth 's hydrosphere and the fluids of all known living organisms (in which it acts as a solvent).