O

1 символ

Терминологические словари

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ID 716438 Последнее изменение 22.09.2025
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Домен inorganic chemistry
O
  • keemiliste elementide perioodilisussüsteemi VI rühma element, sümbol O (oxygenium)
  • colourless odourless gaseous element belonging to group 16 (formerly VIB) of the periodic table; a.n. 8; r.a.m. 15.9994; d. 1.429 g dm−3; m.p. –218.4°C; b.p. –183°C
    Это интересно
    • It is the most abundant element in the earth’s crust (49.2% by weight) and is present in the atmosphere (28% by volume). ... The common form is diatomic (dioxygen, O2); there is also a reactive allotrope ozone (O3). Chemically, oxygen reacts with most other elements forming oxides.
hapnik
Примеры
  • Nii maakoores kui elavates organismides leidub hapnikku kõigist elementidest kõige rohkem. Hapnikku esineb looduses mitme allotroopse teisendina. Lisaks tavalisele hapnikule ehk dihapnikule on olemas ka trihapnik ehk osoon.
oxygen
Примеры
  • During respiration, animals and some bacteria take oxygen from the atmosphere and return to it carbon dioxide, whereas by photosynthesis, green plants assimilate carbon dioxide in the presence of sunlight and evolve free oxygen.
O символ
oxygène
Sauerstoff
happi

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