how does the chemical reactivity vary as we from left to right in a period of modern periodic table
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Reactivity depends on the valency of elements
In a period on moving from left to right it first increases and then decrease. reactivity decreases and then increases but the last element will be very less reactive in a period as it is a noble gas
In a period on moving from left to right it first increases and then decrease. reactivity decreases and then increases but the last element will be very less reactive in a period as it is a noble gas
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