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What is diatomic gas?

Updated: 8/10/2023
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13y ago

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Diatomic elements are chemical elements whose stable form at STP consists of diatomic molecules, molecules of two covalently bonded atoms of that specific element.

ImprovementMost of all gases, except the nobels, are diatomic elements e.g. H2 O2 F2 Cl2 N2

and some others like Br2 and I2 not being gases; all of them have covalent bondings.

To my best knowledge there is only one TRI-atomic element: ozone (O3)

Added:Elements with 4, 6, or 8 atoms also exist:

P4 (white tetrahedral phosphor)

C6 (graphite, gray hexagonal grafene, allotropous carbon)

S8 (cyclo-octa-sulfur, with rhombic and monoclinic crystallice forms);

even S12 and S18 have been reported, but sulfur is an amazing exception

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13y ago
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13y ago

A diatomic gas means that, in one molecule of the gas, there are two atoms chemically bonded to each other. An example is oxygen: in one oxygen molecule, there are two oxygen atoms covalently bonded to each other. Other examples include H2, Cl2 and N2.

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9y ago

A diatomic solid is a type of solid that only has two atoms. An example of this type of solid is sodium chloride.

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