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Nonmetals also have high electron affinity. This means that it is energetically favorable to add an electron to a nonmetal. So, nonmetals can be easily reduced. Metals tend to have low electron affinity so it is more difficult to add electrons (or reduce them). In short: Metals have low ionization energies and low electron affinities so they are readily oxidized. Nonmetals have high ionization energies and high electron affinities so they are readily reduced.
I believe silicon is a non-metal. A non-metal is a poor conductor of electricity sort of like a neon light. Metalloid is sort of the hybrid of non-metal and metal. However, that's what I remember from eight grade we are studying it right now. believe silicon is a non-metal. A non-metal is a poor conductor of electricity sort of like a neon light. Metalloid is sort of the hybrid of non-metal and metal. However, that's what I remember from eight grade we are studying it right now.