Classification Of Elements And Periodicity In Properties Ques 44

44. If the atomic number of an element is 33 , it will be placed in the periodic table in the

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(a) First group

(c) Fifth group

(b) Third group

(d) Seventh group.

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Answer:

Correct Answer: 44.(c)

Solution:

(c) Element with $Z=33$

$(1 s^{2} 2 s^{2} p^{6} 3 s^{2} p^{6} d^{10} 4 s^{2} p^{3})$ lies in fifth (or 15th) group.