A

Admin • 828.03K Points
Coach

Q. The third shell of an atom can have a maximum of ______ electrons.

  • (A) 13
  • (B) 15
  • (C) 18
  • (D) 21
  • Correct Answer - Option(C)
  • Views: 4
  • Filed under category Chemistry
  • Hashtags:
Explanation by: Admin
The maximum number of electrons that can occupy a shell is given by the formula 2n², where n is the principal quantum number (the shell number). For the third shell (n = 3):

2×(3)^2=2×9=18

So, the third shell can hold a maximum of 18 electrons.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.