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Once an atom does not have a full valence shell (the outermost shell), it will be unstable/reactive. Unstable atoms can either give away valence electrons or receive electrons into their valence shell when they react. Non-metal atoms react by: *
10 points
Ejecting/removing protons and neutrons.
Receiving electrons from other atoms into their valence shell.
Giving away valence electrons.
Destroying their valence electrons.
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Once an atom does not have a full valence shell (the outermost shell), it will be unstable/reactive....
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