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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties2 Marks
Question
Use the periodic table to answer the following questions.
Identify an element with five electrons in the outer subshell.
✓

Answer

The electronic configuration of an element having 5 electrons in its outermost subshell should be ns2 np5. This is the electronic configuration of the halogen group.
Thus, the element can be F, CL, Br, I, or At.

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