does this atom satisfy the octet rule? why or why not?

Answer:

No. Sodium (Na) has 11 electrons. Its electron - shell configuration is 2, 8, 1. The outermost shell has 1 electron instead of 8.

Explanation:

Step1: Identify the element

The element is sodium (Na).

Step2: Determine electron number

Sodium has 11 electrons.

Step3: Analyze electron - shell configuration

Electron - shell configuration is 2, 8, 1.

Step4: Check the outermost shell

The outermost shell has 1 electron, not 8 as required by the octet rule.