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No - there are many gases that contain more than one or two atoms. Some examples are:
Carbon Dioxide: 3 atoms
Acetylene: 4 atoms
Methane: 5 atoms
Ethylene: 6 atoms
.
.
.
and the list goes on. It is true though that as the more atoms a molecule consists of, the less likely it is to be a gas at a temperature we are familiar with. Pretty nearly all molecules can be gases if the pressure is low enough and the temperature is high enough (unless they decompose before they can be heated enough to make their vapor pressure exceed the ambient pressure).
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Are noble gases diatomic?
Noble gases have full outer electron shells, thus have no 'desire' to combine with anything, even its "brothers."Noble Gases are not diatomic.
What are the only elements in that exist you nature as isolated atoms?
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.
Which is not a diatomic gas?
chlorine, the other three are examples of noble gases
Why don't noble gases form diatomic molecules?
Noble gas atoms can not lose energy by combining to form diatomic molecules, because each individual atom already has a filled outer electron shell.
Noble gases usually exist as what?
Noble gases exist in the nature as gases; only a small number of (all man made) compounds of noble gases are known.
Are noble gases diatomic?
Noble gases have full outer electron shells, thus have no 'desire' to combine with anything, even its "brothers."Noble Gases are not diatomic.
What are the only elements in that exist you nature as isolated atoms?
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.
Do noble gases occur in diatomic form?
No. Noble gases have completely filled valence orbitals, have stable electronic configuration. Hence they exist as monoatomic species.
Which element does NOT exist as a diatomic gas at room temperature and atmospheric pressure?
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
Which is not a diatomic gas?
chlorine, the other three are examples of noble gases
Why don't noble gases form diatomic molecules?
Noble gas atoms can not lose energy by combining to form diatomic molecules, because each individual atom already has a filled outer electron shell.
Noble gases usually exist as what?
Noble gases exist in the nature as gases; only a small number of (all man made) compounds of noble gases are known.
What is an not example of a diatomic element?
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).
Is not an example of a diatomic element?
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).
What is true about atoms in helium gas?
They are helium atoms and have all the properties of helium. Helium is mono-atomic [as are all of the noble gases] Non-noble gases [those gases that react with other elements/compounds] are diatomic meaning that in the gaseous state the atoms are paired on to another.
How do psychical and chemical properties of halogens compare with those of the inert gas?
At room temperature the lighter halogens, F, Cl are diatomic gases, Br is a liquid, I is a solid. All of the halogens are colored and toxic. The noble gases are all colorless odorless non chemically toxic monoatomic gases. (Radon is radioactive).
How do the physical and chemical properties of the halogens compare with those of the noble glasses?
Halogens are extremely reactive, noble gases are very unreactive. All noble gases are gases; only F and Cl are gases.
