Question

30) Place the following in order of increasing IE₁

N    F   As

A) N < As < F 

B) F < N< As 

C) As < N < F 

D) As < F < N 

29) Place the following elements in order of increasing atomic radius. 

P   Ba   CI

A) P < Cl < Ba 

B) Cl < Ba < P 

C) Ba < Cl < P 

D) Ba < P < CI 

E) C1 < P < Ba 

Answer 1

29) answer: E

Generally in periods left to right atomic size decreases,

In groups top to bottom atomic size increases.

30) answer: C

Generally by increasing atomic size I.E decreases.so that, in periods left to right size decreases,I.E increases.

In groups top to bottom size increases,I.E decreases.