[Answer] Which element has a complete valence electron shell?

Answer: argon

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Which element has a complete valence electron shell? Since valence shells in nonmetal atoms are almost full the atoms attract electrons and hold them tightly to fill their valence shells. Joelle is a manager at a construction company and she is interested in the chemistry behind the materials they use. She has begun studying the materials used to fill walls. There are two elements that have complete valence electron shells. These elements are helium and neon. Helium found in the first period the horizontal row of the periodic table of elements will only have one electron shell. This shell has a low energy level and can only support an s sublevel. A valence electron or valence electrons are found in all of the elements. A valence electron is an electron located on the out most shell of an element (the valence shell ). Most elements will have more than one valence electron. Oxygen or O has six valence electrons because its outer shell consists of … ➷ This would be Argon (Ar) as they are in group 18. Having a complete valence electron shell means that it would be very unreactive . The element that has a complete valence electron shell is . Argon(Ar) Argon is in group 18 and period three ...

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