What does diatomic molecule mean?
Definitions for diatomic molecule
di·atom·ic mol·e·cule
This dictionary definitions page includes all the possible meanings, example usage and translations of the word diatomic molecule.
Wikipedia
Diatomic molecule
Diatomic molecules (from Greek di- 'two') are molecules composed of only two atoms, of the same or different chemical elements. If a diatomic molecule consists of two atoms of the same element, such as hydrogen (H2) or oxygen (O2), then it is said to be homonuclear. Otherwise, if a diatomic molecule consists of two different atoms, such as carbon monoxide (CO) or nitric oxide (NO), the molecule is said to be heteronuclear. The bond in a homonuclear diatomic molecule is non-polar. The only chemical elements that form stable homonuclear diatomic molecules at standard temperature and pressure (STP) (or typical laboratory conditions of 1 bar and 25 °C) are the gases hydrogen (H2), nitrogen (N2), oxygen (O2), fluorine (F2), and chlorine (Cl2).The noble gases (helium, neon, argon, krypton, xenon, and radon) are also gases at STP, but they are monatomic. The homonuclear diatomic gases and noble gases together are called "elemental gases" or "molecular gases", to distinguish them from other gases that are chemical compounds.At slightly elevated temperatures, the halogens bromine (Br2) and iodine (I2) also form diatomic gases. All halogens have been observed as diatomic molecules, except for astatine and tennessine, which are uncertain. Other elements form diatomic molecules when evaporated, but these diatomic species repolymerize when cooled. Heating ("cracking") elemental phosphorus gives diphosphorus (P2). Sulfur vapor is mostly disulfur (S2). Dilithium (Li2) and disodium (Na2) are known in the gas phase. Ditungsten (W2) and dimolybdenum (Mo2) form with sextuple bonds in the gas phase. Dirubidium (Rb2) is diatomic.
Wikidata
Diatomic molecule
Diatomic molecules are molecules composed only of two atoms, of either the same or different chemical elements. The prefix di- is of Greek origin, meaning two. The only chemical elements which are stable two atom homonuclear molecules at standard temperature and pressure, are hydrogen, nitrogen and oxygen, plus the halogens fluorine and chlorine; the halogens bromine and iodine can also form diatomic gas at slightly elevated temperatures. These gases, when grouped together with the monatomic noble gases, such as argon, are called "elemental gases" or "molecular gases" to distinguish them from molecules that are also chemical compounds. Other elements that can form two atom molecules are phosphorus and sulfur although neither of these molecules are stable in atmospheric conditions. The noble gases do not form diatomic molecules: this can be explained using molecular orbital theory. All other diatomic molecules are chemical compounds of two elements, for example carbon monoxide. Many elements and chemical compounds aside from these form diatomic molecules when evaporated.
Numerology
Chaldean Numerology
The numerical value of diatomic molecule in Chaldean Numerology is: 7
Pythagorean Numerology
The numerical value of diatomic molecule in Pythagorean Numerology is: 7
Translations for diatomic molecule
From our Multilingual Translation Dictionary
- molécule diatomiqueFrench
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"diatomic molecule." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/diatomic+molecule>.
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