The group number, number of valence electrons, and valency of an element with atomic…
Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties
The group number, number of valence electrons, and valency of an element with atomic number 15, respectively, are:
- 16, 6 and 3
- 15, 6 and 12
- 16, 5 and 2
- 15, 5 and 3
Answer
(D) 15, 5 and 3
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