1. Tardigrade
  2. Question
  3. Chemistry
  4. The group number, number of valence electrons, and valency of an element with atomic number 15, respectively, are

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The group number, number of valence electrons, and valency of an element with atomic number 15, respectively, are

JEE MainJEE Main 2019Classification of Elements and Periodicity in Properties

Solution:

Atomic number $(Z) = 15 \Rightarrow P \to [Ne] 3s^2 3p^3$
Phosphorus belongs to 15th group number of valence electrons = 5 and valency = 3 in ground state.