Only one valence electron, but not part of the alkali family since it is a gas., The element with the highest ionization energy in group 6a, Transition metal on period 4 that is slightly reactive, Group with 4 valence electrons., Group that will form 2+ cations and is slightly less reactive than the alkali metals., Extremely reactive alkali metal that will donate 1 electron and has 1 valence electron., Extremely reactive non-metal that has the highest electronegativity of all elements on the table., Semi-conductor metalloid used in electronics., Completely un-reactive family with complete valence shell., Period 5 element with 7 valence electrons., The only exception to the octet rule in that it needs only 2 valence electrons to be stable.

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