Count the particles

Exercise and reference answers

Questions

1. Answer

   6

   Question

   Neutrons in a carbon-12 atom

2. Answer

   8

   Question

   Neutrons in a carbon-14 atom

3. Answer

   8

   Question

   Electrons that fill an outer valence shell

4. Answer

   3

   Question

   Orbitals in a p subshell

5. Answer

   5

   Question

   Orbitals in a d subshell

Instructions

Work out each number and key it in.

Explanation