Suppose that a 10-mL sample of a solution is to be tested for I -ion by addition of 1 drop (0.2 mL) of 0.10 M Pb1NO3 22 . What is the minimum number of grams of I -that must be present for Pbl2 1s2 to

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Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

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