Considering the atomic number and position in the periodic table, arrange the following elements in the increasing order of metallic character : Si, Be, Mg, Na, P.

Question

TextPeriodic Trends in Chemical Properties of Elements

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Show by a chemical reaction with water that Na2O is a basic oxide and Cl2O7 is an acidic oxide.

The increasing order of reactivity among group 1 elements is Li < Na < K < Rb <Cs whereas that among group 17 elements is F > CI > Br > I. Explain.

Considering the elements B, Al, Mg, and K, the correct order of their metallic character is :

Considering the elements B, C, N, F, and Si, the correct order of their non-metallic character is :

Considering the elements F, Cl, O and N, the correct order of their chemical reactivity in terms of oxidizing property is :