chemistry

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out of: Si, P, S, and Cl, which has the smallest radius?
I think it is Phosphorus.

  • chemistry -

    I actually think it is Cl

  • chemistry -

    Is it? Silicon is 210pm, Phosphorus is 58pm, Sulfur is 103pm, and Chlorine is 100pm. So I figured Phosphorus...

  • chemistry -

    http://www.chemguide.co.uk/atoms/properties/atradius.html

  • chemistry -

    As you move from left to right, the atomic radius decreases. Therefore, Si would have the greatest radius.

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