Answer
Recall that sodium atom has 1 valence electron that it loses to gain a stable electron configuration. If it loses a electron, it is giving it to another atom to GAIN, so it is a reducing agent.
Work Step by Step
Recall that sodium atom has 1 valence electron that it loses to gain a stable electron configuration. If it loses a electron, it is giving it to another atom to GAIN, so it is a reducing agent.
