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The electronic configuration of the atom of an element ‘X’ is (n-2)S2 (n-1)s2(n-1)P6 ns2np5 If n=3, the element ‘X’ is placed in modern periodic table

(a)

7th group, 3rd period

(b)

17th group, 3rd period

(c)

17th group, 5th period

(d)

3rd group, 3rd period



Question ID - 154873 | SaraNextGen Top Answer

The electronic configuration of the atom of an element ‘X’ is (n-2)S2 (n-1)s2(n-1)P6 ns2np5 If n=3, the element ‘X’ is placed in modern periodic table

(a)

7th group, 3rd period

(b)

17th group, 3rd period

(c)

17th group, 5th period

(d)

3rd group, 3rd period

1 Answer
127 votes
Answer Key / Explanation : (b) -

17th group, 3rd period

127 votes


127