1.

Consider the following representation based on long form of periodic table. Value of al four quantum number for last electron of element 'X' in their ground state is n=4,l=1,m=1 and s=-(1)/(2) and spin mutiplicity of element 'X' in their ground state is 4. Q. Which of the following order is incorrect?

Answer»

MAGNETIC moment `U GT V gt A`
ATOMIC radius: `E gt X gt T`
IONISATION energy `: R gt X gt B`
Stability: `F^(3+) lt E^(3+) lt X^(3+)`

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