The order of increasing reactivity of the metals is: magnesium, sodium, and potassium.
How does the reactivity of metals increase?
The reactivity of metals increases as one goes down the group and increases from right to left in th periodic table.
For the three elements, sodium potassium, and Magnesium, the least reactive is magnesium while the most reactive is potassium.
This is because of increase in reactivity based on the properties of the elements.
Therefore, the order of increasing reactivity of the metals is: magnesium, sodium, and potassium.
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