# Chapter 9 - Liquids, Solids, and Materials - Questions for Review and Thought - Topical Questions - Page 421d: 80b

Ag, $P_4$

#### Work Step by Step

We know that metals have the greatest electrical conductivity. Since Silver is the only metal present, it has the greatest conductivity. However, $P_4$ has the least electrical conductivity, for it is the only non metal present amongst the four options given.

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