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Elements and Compounds

What elements form diatomic gases?

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2010-10-23 14:29:12
2010-10-23 14:29:12

Hydrogen, Nitrogen, Oxygen, Chlorine and Fluorine are diatomic gases.

Bromine is a diatomic liquid.

Iodine is a diatomic solid. (at room temperature)

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I would say the noble gases since as gases their atoms are isolated and they do not form diatomic molecules like all the other gaseous elements.

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all gases are found in diatomic state. except bromine and iodine

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All group 18 elements (the noble gases) exist as monatormic gases at room temperature and standard pressure. All other elements form diatomic gases, if they exist as gas under the specified conditions. Among the listed elements there is only one noble gas: Argon

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They can be both. The noble gases (far right column of the periodic table) are all elements, since they can't form compounds*. But most gases are compounds. A common misconception is that hydrogen gas is an element, but it's not. It's a diatomic compound. You cannot find any of the diatomic gases (H, O, F, Br, I, N, Cl) in their pure form without being diatomic. So with the exception of the noble gases, all gases are compounds. *with the occasional exception of Xenon, but this is only under very rare conditions and never occurs in nature.

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The reason why these elements form gases at room temperature is that the diatomic molecules that they both form have relatively little attraction for eachother, and therefore they move independently, which creates a gas.

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A diatomic element exists as a molecule containing two of its atoms, such as chlorine (Cl2) and bromine (Br2). Elements that are not diatomic include monatomic elements (noble gases such as Ar, Ne) and triatomic elements (ozone, O3).

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Elements that form diatomic molecules are commonly found on the right side of the periodic table. All of these elements are non-metals.

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Elements are not made of molecules. Molecules are made of elements. There are a number of elements which form molecules consisting of two atoms. Oxygen, nitrogen, hydrogen, chlorine, etc., all form gases composed of diatomic molecules.

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Yes, these chemical elements are stable.

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There are 110 elements which are not diatomic.

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There are five diatomic elements that are gases: hydrogen (H2), nitrogen (N2), oxygen (O2), fluorine (F2), and chlorine (Cl2).

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The 7 elements that readily form diatomic molecules are hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and Iodine. Astatine might theoretically form diatomic molecules, but it is so rare and radioactive that it is hard to study.

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Calcium, alone among the elements listed, does not form a diatomic molecule with another atom of itself.

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Because two individual atoms of the elements with diatomic molecules can lower their total free energy by combining to form a diatomic molecule, and there is no adequate kinetic barrier to the combination.

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Elements in group 17 can form diatomic molecules with a single covalent bond.

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Noble Gases. For example, Helium, Argon, Neon, Krypton,etc.

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The following elements form diatomic molecules H, N, O, F,Cl, Br, I

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It is mainly referred to as diatomic molecules (cf. 'Examples below).Added:Diatomic elements are a special group of molecules consisting of 2 identical atoms, so of ONE element that is.(The halogens and non-noble gases are most likely found in the diatomic state)Examples:H2, O2, I2 and Cl2 are diatomic elements (made of one element),however:HCl, MgO and CO are diatomic molecules (not of one element!).

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Oxygen, hydrogen, nitrogen, chlorine, and fluorine all form diatomic molecules.

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Examples: gases forming diatomic molecules, carbon, sulfur, nitrogen, silicon etc.

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All gaseous elements except noble gases, plus Bromine (liquid, Br2) and Iodine (solid I2)

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The noble gases -- He, Ne, Ar, Kr, and Xe -- have no twins. Metals don't form molecules. C2, Si2, and Ge2 don't exist either.

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Yes, Diatomic elements are usually stable.

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There are seven elements that are diatomic molecules. The majority of them are gases, two are not. The easiest way to remember the seven elements that come as diatomic molecules is: HOFBrINCl. The five that are gases are: Hydrogen, Oxygen, Fluorine, Nitrogen and Chlorine. (Bromine is a liquid and Iodine is a solid at room temp.)


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