Get Answers to all your Questions

header-bg qa

2.23    (ii) What are the atomic numbers of elements whose outermost electrons are represented by

            (c)    3p^5

Answers (1)

best_answer

With given outermost electrons 3p^5,

The complete electronic configuration is 1s^22s^22p^63s^23p^5

Hence the number of electrons present in the atom of the element is:

= 2+2+6+2+5= 17.

Therefore, the atomic number of the element is 17 which is Chlorine (Cl)

Posted by

Divya Prakash Singh

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads