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Mg -magnesium.

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What element in period 3 has 8 electrons in its outermost energy level?

The element in period 3 with 8 electrons in its outermost energy level is chlorine (Cl).


Which element has a full outermost energy level contining only two electrons?

Helium has a full outermost energy level containing only two electrons.


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It is the most stable element in the universe and does not need anymore electrons. Its outermost energy level is full.


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Valence electrons are found in the outermost energy level of an atom, also known as the highest principal energy level. These are the electrons involved in chemical bonding and determining the reactivity of an element.


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valence electrons are the electrons found in the outermost energy level of bohr diagram for an element.


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Valence electrons are the electrons in the outermost energy level of an atom. They are involved in chemical bonding and determine the reactivity of an element. The number of valence electrons influences the element's properties and behavior in chemical reactions.


What element has 2 electron energy levels and 4 electrons available for bonding in the outermost energy level?

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