Question

which model shows 5 electrons in the outer shell of the atom? a. 4 b. 2 c. 1 d. 3

Explanation:

Step1: Count electrons in outer shell for each model

• Model 1: The outer - shell has 5 electrons.
• Model 2: The outer - shell has 6 electrons.
• Model 3: The outer - shell has 4 electrons.
• Model 4: The outer - shell has 5 electrons.

Answer:

A. 4