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HELP An atom is "unstable" and will react with other atoms

when there is only two valence electron



when there are 8 valence electrons



when the outer level of the atom is not filled with the maximum number of electrons



when the innermost level of the atom is filled with the maximum number of electrons

User Fehmi
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1 Answer

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Answer:

when the outer level of the atom is not filled with the maximum number of electrons

Step-by-step explanation:

User Dexter Cato
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