Question

the elements P,Q,R belong to the same period .the sulphate of P is PSO4,the nitrate of Q is Q(NO3)3 , and the carbonate of R is R2CO3

i) arrange the elements in increasing order of thier valencies
ii) arrange the elements in increasing order of thier atomic radii
iii) arrange the elements in decreasing order of thier ionization potential
iv)state the group to which Q belongs.​

Answer 1

Answer:

iii

Explanation:

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