Na, Mg, and Al are the elements having one, two and three valence electrons. which of these elements is least reactive? reason
raghu37:
AL is less reactive then both
platinum is least reactive because it do not affect any acid water air
and Na most reactive.
here only mg ,al,and na is there
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Al is least reactive.. bcs it lie below in reactivity series
k
Na
Ca
Mg
Al
k
Na
Ca
Mg
Al
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