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CGP EDU Academic Team
Published on: August 13, 2026
Which of the following is true about the element 33 As according to Modern periodic table :
Text Solution
Verified by ExpertsThe correct answer is:
B
Electron configuration is [Ar] 18 3d 10 4s 2 4p 3 . As last electron enters in p-subshell it is p-block element and thus its group number is equal to 10 + 5 = 15. As principal quantum number of valence shell is 4, so it is 4 th period element.
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