NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Hard

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Application +4 | -1

The electronic configuration of an element is

1 s^2 2 s^2 2 p^6 3 s^2 3 p^3

. The atomic number and the group number of the element '

\mathrm{X}

' which is just below the above element in the periodic table are respectively

View answer and explanation

Correct option: C

33 and 15

Option C (33 and 15) is correct. Adding one more shell to the given configuration results in an element with atomic number 33, which is in group 15.

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