Respuesta :
Metals has low Ionization energy and low electron affinity. (Option A)
Characteristics of Metals (Ionization energy/Electron Affinity)
Metals has low ionization energy because the valence electrons in alkali metals, are very away from the nucleus. Hence, they can easily lose electrons with low energy and become cationic.
Metals have a low electron affinity because they want to give up their valence electrons rather than gain electrons, which require more energy than necessary.
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