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Classification Of Elements And Periodicity In Properties

Question
CBSEENCH11005461

Name the block to which the elements with following valence shell electronic configurations belong:
(i) 3s2 3p5       
(ii) 3d
104s2
(iii) 3p64s2       
(iv) 6s2 4f0
(v) 4s1 3d5

Solution

(i) 3s2 3p5 : p-block
(ii) 3d10 4s2 : d- block
(iii) 3p6 4s2 : s-block
(iv) 6s2 4f0 : s-block
(v) 4s1 3d5 : d-block