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| 1. |
Namethe elementin thetablewhich hasthe highestand lowestfirstionizationenthalpy. |
| Answer» Solution :Heliumbeing thesmallestinertgas hasthe HIGHEST`Delta_(i) H_(1)` whilefranciumbeing thebiggest alkalimetalhas thelowest`Delta_(i) H` in the periodtable. | |