Count the shells and orbitals

Exercise and reference answers

Questions

1. Answer

   3

   Question

   How many quantum numbers designate an orbital?

2. Answer

   3

   Question

   How many sub-shells in the third shell?

3. Answer

   9

   Question

   How many orbitals in the shell where n is 3?

4. Answer

   2

   Question

   Electrons allowed in one orbital?

Instructions

Type the number only.

Explanation