In atoms, electrons are arranged in certain ____ levels. The first level has the ____ energy. The further ____ from the nucleus, the higher the level of energy. The furthest out energy level has the ____ energy. The lowest level can take up to ____ electrons. The second and third energy levels can take up to ____ electrons. When atoms form ____ with each other they are aiming to achieve an outer energy level that is ____, as this is very ____ The ____ gases (Group 0) already have this electron structure and this is why they are ____

Electron Structure Summary

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