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1) they are all gases 2) they are all monoatomic

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17y ago

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What are some charcteristics of element in group 18?

They are the noble gases. They have 8 valence electrons, so that means that they are stable, and they rarely make bonds with any other elements or compounds.


What are two noble gases that doesn't reacts with anything?

That should be the first two noble gases: Helium and Neon. These two are chemically inert and do not react with anything.


What are two types of gases?

halogens and noble


What happens when two noble gases are combined?

When two noble gases are combined, they tend to form a stable non-reactive mixture due to their full outer electron shells, which makes them very unlikely to react with other elements. This makes noble gas compounds very rare under normal conditions.


What are two noble gases?

Two noble gases are helium and neon. These gases are odorless, colorless, and generally do not react with other elements due to their fully-filled outer electron shells. They can be found in small quantities in the Earth's atmosphere.


How active is noble gases?

Noble gases are chemically inert.


How are noble gases different than noble gases?

it's not


What are the nonmetals in nobel gases?

There are no metals in noble gases.All are gases in noble gases.


What are two abnormal noble gas?

The two abnormal noble gases will be xenon and krypton. Noble gases are generally chemically inert at S.T.P. However, xenon and krypton react with electronegative elements like fluorine and oxygen forming fluorides and oxyfluorides.


Phase of matter for noble gases?

All noble gases are gases in their standard state


Do all noble gases have eight valence electrons?

Yes, except for helium which only two electrons. All noble gases are found under the noble gas family to the far right of the periodic table.


Helium neon argon or krypton what are they called?

They're all Noble gases.