Recent content by thesparrow

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    What are the criteria for classifying elements as metalloids and halogens?

    I'm currently studying grade 11 chemistry... And the periodic table of elements slightly confuses me. I am having trouble understanding which are metalloids, and halogens. In the handout that my teacher gave me, it listed the following as metalloids: B, Si, Ge, As, Sb, Te, Po, and At. It also...
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    What does a blind person see?

    I just wanted to pitch into this conversation. When I was little (about 7 years old), a completely unrelated surgery left me temporarily blind, if that even makes sense. For approximately a month, I remember being able to see nothing but blackness. At first, it was blackness, but then it soon...
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