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Explain reactivities of physical and chemical trends of elements of group and period. |
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Answer» Solution :Chemical reactivity in period : Within a period, chemical reactivity trends to be high in Group 1 metals, lower in elements towards the middle of the table and increased to a MAXIMUM in the Group 17 non-metals. Chemical Reactivity in Group : Within a group of representative metals reactivity increases on MOVING down the group, where as with a group of non-metal (Halogens) reactivity decreases down the group. Physical and chemical properties of elements of periodicity is DIRECTLY proportional to number of electrons and ENERGY level. |
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