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How many additional valence electrons does fluorine need to have a full valance shell?

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Fluorine has 7 of these valance electron?

Fluorine has 7 valence electrons, which are the electrons in the outermost shell of an atom. These electrons are involved in chemical bonding and determine the reactivity of the element.


Why does sulfur have a valency of 4 and 6 when it needs only 2 electrons for stable configuration?

It has 6 electrons in it's valance shell and needs 2 more electrons in it's valance shell to become stable. Some atoms, phosphorous for instance ( valance # 5 ), can reach deeper into their valance shell and make additional covalent bonds.


How many valence shells does fluorine have?

flurine has atomic no. 9 so its electronic configaration is 2,7. Its valance shell has 7 electrons


How many electrons are there in the outer shell of fluorine?

There are 7 electrons in the outer shell of fluorine. Fluorine has 9 total electrons, with 2 in the first shell and 7 in the outer shell.


What makes a group not reactive on the periodic table?

A full octet, valance shell. A valance shell with eight electrons, such as the Nobel gases have, doe not need to donate or accept electrons into or out of the valance shell to be stable.


How many electrons are in the highest energy occupied shell of a fluorine atom?

The highest energy shell of Fluorine is 2nd shell which contains 7 electrons just like other halogens.


Outer shell electrons are known as?

Valance electrons


What has 5 electrons in its outer shell?

If you are talking about the valance electrons any elements in group 5 on the periodic table will have 5 valance electrons.


How many electrons does a fluorine atom have in its second shell?

A fluorine atom has 7 electrons in total. In its second shell, fluorine will have a maximum of 8 electrons, but since it has 7 electrons already in the first shell, it will only have 1 electron in the second shell.


Does fluorine have two Electrons?

No, fluorine has nine electrons total and seven valence electrons.


How many electrons are in the valence shell of He?

There are two electrons in the valance shell of helium. Since this is the first shell, it is filled by two electrons.