Question

Question #1bcba

Answer 1

Yes , you can predict the element’s reactivity

Explanation:

The lower the ionization energy of an element , the easier it can give off its electrons.The ease with which it can give off its electrons it's called electropositivity;the more electropositive an element is the more reactive it gets , so , as the ionization energy of an element gets lower , its reactivity increases.

If you want a numerical value , you can use the Mulliken electronegativity (electronegativity is the opposite of electropositivity) :

`X=\frac{E_i+E_{ea}}{2}` , where `E_i` is the first ionization energy and `E_{ea}` is the electron affinity.
The measurment unit is `\frac{kJ}{\text{mole}}` or `eV`