Isotopes/Atomic Models

Multiple Choice

Select the correct number of protons, neutrons, and electrons for the following ion:

Calcium-41 ion

• 20 p+

  21 n

  20 e-

• 20 p+

  20 n

  20 e-

• 20 p+

  20 n

  18 e-

• 20 p+

  21 n

  18e-