Question

Arrange the following in the order as specified in brackets:
(a) Si, Mg, Cl, Na, Al ( Increasing order of electronegativity)

(b) Br, F, Cl (decreasing order of atomic size)

(c) Cu, Fe, Pb, Zn ( decreasing order of reactivitity)

(d) N, Be, B, Li, F (increasing order of metallic character)

(e) Ar, He, Ne (increasing order of number of shells)

Answer 1

Answer:

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