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Electron shells of astatine: 2, 8, 18, 32, 18, 7 (electrons/shell)

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What has 7 electrons in their outer energy level?

Atoms of elements in Group 7A of the periodic table, also known as Group 17 or the halogens, have 7 electrons in their outer energy level. Examples of elements in this group include fluorine, chlorine, bromine, iodine, and astatine.


How many electrons does one atom of astatine have in its outer shell?

Electrons per shell in astatine: 2, 8, 18, 32, 18, 7.


How many electrons are on uraniums outer energy level?

Uranium has 2 electrons on its outer energy level.


How many electrons nitrogen has in its outer energy level and how many does bromine have?

Nitrogen has 5 electrons in its outer shell, and Bromine has 7 electrons in its outer shell.


How many electrons does vanadium have in its outer energy level?

Vanadium has 5 electrons in its outer energy level.


How many electrons does iodine have in its outer energy level?

Iodine has 7 electrons in its outer energy level.


How many electrons are in the outer energy level of xenon?

There are 8 electrons in the outer energy level of xenon. Xenon belongs to the noble gas group on the periodic table, which have a full outer energy level with 8 electrons.


How many electron are needed to fill the outer energy level of sulfur?

Sulfur has 6 electrons in its outer energy level. This means it needs 2 more electrons to fill its outer energy level, for a total of 8 electrons.


Do noble gasses have the maximum number of electrons in their outer energy level?

yes.they have the maximum number of electrons in their outer energy level?


How many electrons does boron have in its outer energy level?

Boron has 3 electrons in it's outer level.


How many electrons do beryllium and magnesium have in there outer energy levels?

Beryllium and magnesium have two electrons in their outermost energy level, as do all Group 2 elements.


How many electrons are in the outer energy level for calcium?

There are 2 electrons in the outer energy level for calcium, as it is located in the 4th (outermost) energy level of the electronic configuration.