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a stable octet is also known as a full outer shell.
it occurs when electrons are added or removed from an atom so the outtermost shell contains its maximum amount, funnily enough Helium is included because is has a full outer shell as opposed to the direct meaning of a full octet.
the term full octet refers to the outtermost shell being complete, however a direct definition means the outtermost shell containing EIGHT electrons, which simply isn't possible for something like Helium or Hydrogen.
in which case, the full octet of either Helium or Hydrogen is two electrons- this would give Helium no charge at all, but would give Hydrogen a -1 charge, in a diatomic molecule two Hydrogen atoms would share their electrons between them:
H=H <--Hydrogen / Helium --> He (would not donate or adopt electrons)
more interstingly is the FORMS of Hydrogen. there are three: Hydrogen, deuterium and tritium.
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∙ 13y ago
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∙ 13y ago(Quick Answer)
Essentially, an unstable atom is a radioactive atom; or perhaps more so unstable atoms are what make materials radioactive.
The term "stable atom" refers to an atom that has enough binding energy to hold the atom (the protons, nutrons and electrons) together.
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∙ 13y agoThe arrangement of eight electrons in the outermost shell of an atom. BAM!
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∙ 9y agoA stable octet means it has an electron configuration that is same as a noble gas. A valence shell with 8 electrons is a stable octet.
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∙ 14y agoWhen an atom has eight electrons in its outer shell. this rule applies to all elements except for Hydrogen (H) and Helium (He).
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∙ 13y agoThe arrangement of eight electrons in the outermost shell of an atom.
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What is an example of unstable atom?
Any of the noble gases (in the right-most column of the periodic table): helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) radon (Rn), and Hydrogen.They all have what is called a stable "octet."See the Related Questions for more information on what the octet rule in chemistry is.
What does the phrase stable temperatures mean?
the phrase stable temeratures mean the temperatures are just the right temperatures and they bring fair weather.
What does it mean for an isotpe to be radioactive?
It means that particular combination of protons and neutrons is not stable.
How does an atom behave if it had a full octet of valence electrons?
It is very stable #APEX :P
What does the word solid mean?
As an adjective it can mean firm or stable. When used as a noun it means a state of matter that is neither liquid nor gas.
How can xenon achieve stable octet?
In its ground state it does have a stable octet.
What does gass mean?
Noble gases have completely filled octet. They are stable.
What does noble gasses mean?
Noble gases have completely filled octet. They are stable.
Does xenon gain or lose electrons to be a stable octet?
Neither. It has a stable octet in its ground state.
How could xenon achieve a stable octet?
Xenon, like all the noble gases except helium, already has a stable octet!
When compounds like to have 8 electrons in their outter shell what does that mean?
There is a general tendency to form an octet, to have a stable structure.
How many electrons are in a complete octet why is having a complete octet important?
eight. it is important to obtain octet so that elements become stable.
An atom is stable when it?
it can be stable by completing their octet & minimizing their energy
How many more electrons does silicon need in order to have a stable octet?
Silicon, like carbon, has four valance electrons, and needs another four to have a stable octet.
How many electrons would an atom of magnesium have to lose to have a stable octe?
It'll have to lose two to have a stable octet.
Is chlorine ion stable or unstable?
yes chloride ion is stable coz its octet is complete.
What is the statement of an atom when most stable when it has eight electrons in its outermost energy level?
One of these choices are your ansewr: * Octave * Balance * Valance * Octet
