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They can , but its extremely rare and most often done in the Lab. Their outer most electron orbital, or valence shell, is full of all the electrons it wants to have (8), with 8 electrons in the valence shell, it is full essentially. The answer is WAY more involved than that, but thats the lowdown.
What else can I help you with?
Can noble gases have either a positive or a negative charge?
None of them have a negative charge. Or a positive charge. They can be ionized by high voltages, as (for example) neon is in a neon sign. However, neon doesn't have a monopoly on that, all of them exhibit the same behavior.
Why the value of electron affinity is positive for noble gases?
Noble gases have completely filled orbitals / energy levels. They generally have 8 valence electrons (helium has only 2) and have stable electronic configuration. They will not accept any more electrons and hence they have positive electron affinity.
What charge do the VIIIA noble gases have?
The VIIIA noble gases have a charge of zero since they have a full outer electron shell, making them stable and unreactive.
Does boron become positive or negative when it loses electrons?
Boron becomes positive when it loses electrons. Boron has three valence electrons and tends to lose these electrons to achieve a stable electron configuration similar to a noble gas. When boron loses its three valence electrons, it forms a B3+ ion, which has a positive charge.
Does a positive Potassium ion have noble gas stability?
No, a positive Potassium ion does not have noble gas stability. Noble gases have a full outer electron shell, but a positive Potassium ion (K+) has lost one electron and does not have a full outer shell.
Can noble gases have either a positive or a negative charge?
None of them have a negative charge. Or a positive charge. They can be ionized by high voltages, as (for example) neon is in a neon sign. However, neon doesn't have a monopoly on that, all of them exhibit the same behavior.
What are the oxidation states of group 18 elements?
0, neither positive or negative. They are the noble gases, and as such, very unreactive
What is the reason noble gases don't become ions?
Noble gases have eight electrons in their outermost (valence) shell (an octet)and due to this they are very stable so they don't need (or want) to loose or gain electrons to be stable and thus don't take part in chemical reactions and don't form any negative or positive ions.
Why the value of electron affinity is positive for noble gases?
Noble gases have completely filled orbitals / energy levels. They generally have 8 valence electrons (helium has only 2) and have stable electronic configuration. They will not accept any more electrons and hence they have positive electron affinity.
Does a nonmetal form negative ions?
most do, but noble gases don't
What is important about the electron configuration of the noble gases?
By acquiring noble gas configuration elements become stable .
What charge do the VIIIA noble gases have?
The VIIIA noble gases have a charge of zero since they have a full outer electron shell, making them stable and unreactive.
Does boron become positive or negative when it loses electrons?
Boron becomes positive when it loses electrons. Boron has three valence electrons and tends to lose these electrons to achieve a stable electron configuration similar to a noble gas. When boron loses its three valence electrons, it forms a B3+ ion, which has a positive charge.
Does a positive Potassium ion have noble gas stability?
No, a positive Potassium ion does not have noble gas stability. Noble gases have a full outer electron shell, but a positive Potassium ion (K+) has lost one electron and does not have a full outer shell.
How do then properties of noble gases support this model?
to gain or lose electrons to become stable
How active is noble gases?
Noble gases are chemically inert.
How are noble gases different than noble gases?
it's not
