Question

sodium is more reactive than magnesium why?​

Answer 1

Answer:

Sodium metal is more reactive than magnesium metal because it is easier to lose electron from the 3s orbital of sodium atom than that of magnesium. This is because sodium has half filled orbital (that's 1 electron at 3s orbital) while magnesium has completely filled orbital (that's 2 electrons at 3s orbital).

Answer 2

Answer:

sodium is more reactive than magnesium because sodium has only one valance electron and magnesium has two valance electrons so, sodium can lose electron more quickly than magnesium.