Question

List the metals in the decreasing order of their reactivity with air and thereby losing luster​.
Sodium, Magnesium, and copper

Answer 1

Answer:

1. Sodium

2. Magnesium

3. Copper

Explanation:

Pls see the image is linked for this one; it is the reactivity series

As you can see, sodium is above the rest, and vice versa.

I even gave you a way to memorize this