My friend ask this question below is the answer she received answers do not make

Question

My friend ask this question below is the answer she received answers do not make any sense, I know Fe Zn and Cu are transition metals, but which one is more reactive and how can you tell looking at the table. Can someone please explain the two questions below in more. Appreciate the help and thank you

Are Group 3A elements more reactive than 4A?

Is Fe Zn Cu more reactive How can you tell by looking at the periodic table?

answers going from left write in periods reactivity decreases uo C then increases. so 3A is more reactive than 4A Fe , Cu , Zn these three are transition metals. they are more reactive, metals are more reactive,

Explanation / Answer

In periods generally electronegativity increases and consequently metallic character decreases and reactivity decreases.so 3A group elements are more reactive than 4A group elements.

The reactivity order of Fe, Cu, Zn are as follows Zn, Fe and Cu.

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