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| 1. |
What is thebasicdifference inapproach betweenMendeleev'sPeriodicLaw andthe Modern PeriodicLaw ? |
| Answer» Solution :MendeleevPeriodic Lawstatesthat thephysicaland chemicalpropertiesof the ELEMENTS are aperiodicfunction of theiratomicweigths while MODERN PeriodicLawstatesthat physicaland chemicalPropertiesof ELEMENTSARE aperiodicfunctionof theiratomicnumbers . thusthe basicdiffereceinapproachbetweenMendeleev's PeriodicLaw andModern PeriodicLaw is thechangein BASIS ofclassificationof elementsfromatomicweight to atomicnumber. | |