1.

On moving across a period, the atomic size decreases and nuclear charge increases and therefore the force of attraction exerted by the nucleus on the electron in the outermost shell increases.For the processA(g)+e−→A−(g); ΔH=xand A−(g)→A(g)+e−; ΔH=ySelect correct alternate:

Answer»

On moving across a period, the atomic size decreases and nuclear charge increases and therefore the force of attraction exerted by the nucleus on the electron in the outermost shell increases.

For the process

A(g)+e−→A−(g); ΔH=xand A−(g)→A(g)+e−; ΔH=y

Select correct alternate:


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