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Whenever the outside shell of the atom, or valence shell, is completely full with electrons.
Ex: The noble gases are lucky enough to start out stable because they fill their outer shells.
Wiki User
∙ 13y ago
The valence shell is stable when it is filled with the maximum number of electrons allowed based on the octet rule (for elements in the s and p blocks) or the duet rule (for hydrogen and helium). This stability occurs because the atom achieves a full outer shell, which minimizes its energy.
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All atoms become stable when they have how many valence electrons?
Atoms become stable when they have a full outer electron shell, which typically means having 8 valence electrons (except for hydrogen and helium, which are stable with 2 valence electrons). This stable configuration is known as the octet rule.
A full valence shell of electrons means that the atom is unstable and likely to combine with other atoms?
Actually, a full valence shell of electrons makes an atom stable, as it follows the octet rule. Atoms with full valence shells are less likely to react with other atoms because they are already in a stable configuration.
What is the difference between a stable and unstable electronic configuration?
Stable electronic configuration is when the valence shell of an element is completely filled (8 electrons) whereas unstable electronic configuration is when the valence shell of an element is not completely filled
How are valence electrons related to stability?
Valence electrons are the outermost electrons in an atom, and they determine the atom's chemical properties. Atoms with a full valence shell of electrons tend to be stable because they have a lower energy state. Atoms will gain, lose, or share electrons to achieve a full valence shell, which increases their stability.
Do ions have a full valence shell?
No, atoms with filled valence shells do not tend to form chemical bonds because a filled valence shell means the atom is already stable. It doesn't "want" to share with or take electrons from other atoms to become stable. Although sometimes, these atoms can be found in compounds, it takes a great deal of energy and forcing.
What are the conditions for stable electric configuration?
The valence/outer shell has to be completely full to be completely stable.
When an atom or an ion has 8 valence electrons it is more or less stable than when it ha fewer than eight valence electrons?
Valence electrons are the amount of electrons in the outermost electron shell. 8 valence electrons fill the outer shell making it completely stable.
All atoms become stable when they have how many valence electrons?
Atoms become stable when they have a full outer electron shell, which typically means having 8 valence electrons (except for hydrogen and helium, which are stable with 2 valence electrons). This stable configuration is known as the octet rule.
A full valence shell of electrons means that the atom is unstable and likely to combine with other atoms?
Actually, a full valence shell of electrons makes an atom stable, as it follows the octet rule. Atoms with full valence shells are less likely to react with other atoms because they are already in a stable configuration.
What is the difference between a stable and unstable electronic configuration?
Stable electronic configuration is when the valence shell of an element is completely filled (8 electrons) whereas unstable electronic configuration is when the valence shell of an element is not completely filled
Valence electrons found where?
Valence electron are found in the outer shell of an atom. Depending on the number of valence electrons, the atom is more or less stable: fewer => less stable and more => more stable (inert). Stable = less likely to react with other atoms.
Is sulfur outer most shell stable?
No, sulfur has only 6 valence electrons. Atoms with 8 valence electrons are most stable and generally chemically inert.
What is the outer shell of the noble gases called?
The outer shell of noble gases is called the valence shell. It is stable because it is fully filled with electrons, making noble gases chemically inert.
How are valence electrons related to stability?
Valence electrons are the outermost electrons in an atom, and they determine the atom's chemical properties. Atoms with a full valence shell of electrons tend to be stable because they have a lower energy state. Atoms will gain, lose, or share electrons to achieve a full valence shell, which increases their stability.
If an atom has a stable number of electrons how can you tell?
It's outer valence shell is full.
What happens when atoms of elements combine to form compounds?
It's valence shell (outermost shell of atom) is full and stable.
Do ions have a full valence shell?
No, atoms with filled valence shells do not tend to form chemical bonds because a filled valence shell means the atom is already stable. It doesn't "want" to share with or take electrons from other atoms to become stable. Although sometimes, these atoms can be found in compounds, it takes a great deal of energy and forcing.
