1.

Anything thatinfluencesthe valenceelectronswill affectthe chemistryof theelement . Whichoneof the followingfactors does not affectthe valenceshell ?(a ) Valenceprincipal quantumnumber (n )( b)Nuclear charge (Z) ( c)nuclear mass(d ) Numberof coreelectrons.

Answer»

SOLUTION :Nuclearmass does not affect THEVALENCE shellbecausenucleus consists ofprotons and neutrons. Whereas proton i.e.,nuclearchargeaffects thevalenceshellbut neutronsdo not. Thusoption ( C)is WRONG.


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