1.

The properties which are common to both groups 1 and 17 elements in the periodic table are:

Answer»

electropositive character incrases down the groups
Reactivity decrases from top to bottom in these grous
atomic radii incrases as the atomic number increases
Electronegativity decreases on moving down a GROUP

Solution :Statements (a), (C) and (d) are common to both the groups 1 and 17. STATEMENNT (b) is true only for group 17 elements.


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