Chemistry

Problem

Consider the following representation based on long form of periodic table.

Value of all four quantum number for last electron of element '

X

' in their ground state is

n = 4

l = 1

m = 1

and

s = -\frac{1}{2}

and spin multiplicity of element '

X

' in their ground state is 4. Which of the following order is incorrect ? a. Magnetic moment :

U > V > A

b. Atomic radius :

E > X > T

c. Ionisation energy :

R > X > B

d. Stability :

F^{3+} < E^{3+} < X^{3+}