Elements at the extreme left of the modern periodic table are …………… reactive, while elements on the extreme right [group 18 (0)] are …………… reactive [least/un/most].

Question

Elements at the extreme left of the modern periodic table are &#8230;&#8230;&#8230;&#8230;&#8230; reactive, while elements on the extreme right [group 18 (0)] are &#8230;&#8230;&#8230;&#8230;&#8230; reactive [least/un/most].

Flash Institute · Accepted Answer

Elements at the extreme left of the modern periodic table are most reactive, while elements on the extreme right [group 18 (0)] are unreactive.

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