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7 electrons are on the outer (valence) shells of all halogens

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What are electron in the outer energy level called?

Valence electrons.


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

Cesium, or Cs, has 1 valence electron.


Element bromine electrons outer shell?

Bromine has 7 electrons in its outer shell, making it part of group 17 on the periodic table. This means it only needs 1 more electron to complete its octet and attain a stable electron configuration. As a halogen, bromine can gain an electron to achieve a full outer shell or share electrons to form compounds.


How many electrons in the outer energy level does bromine have?

Bromine has 7 electrons in its outer energy level, making it one electron short of a full outer shell.


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.


What is an electron in an atoms outer most energy level?

The electrons on the outtermost energy level of an atom is called a valence electron.


What element has three or fewer electrons in the outer energy level?

nobel gases has few electron in the outer energy level


How many electrons are there in potassium's outer energy level after the bond has formed?

Potassium has 1 electron in its outer energy level. When it forms a bond, it typically donates this electron to another element, leaving it with a full outer energy level.


How many electrons are in a neutral sodium's outer energy level?

A neutral sodium atom has 11 electrons. In its outer energy level, it has 1 electron. Sodium's electron configuration is 2-8-1.


How many electrons must a halogen gain to reach stability?

Halogens are in the seventh group on the periodic table, and thus have seven electrons in their outer shell. In order to attain a noble gas configuration, it must gain an electron to form an octet, which is when eight electrons are in the outer shell.


What does the electron in the outer most level determine?

It is generally called the valence electron as it determines the valency of electrons.


What is the outer energy level of californium?

Californium has seven electron shells ; the outer shell has two electrons.