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 statement is incorrect?

Answer»

Element P is radioactive
Elements B and C have their ALMOST SIMILAR size
Element G is more stable in +4 oxidation state
Element G has electron with n=4, l=3, m=0 and `s=+(1)/(2)` quantum numbers.

Answer :C


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