Question

cecil is working with samples of chlorine (cl), oxygen (o), bromine (br), and silver (ag). the samples are all at room temperature. which substance is most likely the most dense?
chlorine
oxygen
bromine
silver

Explanation:

Step1: Recall states of matter at room - temp

Chlorine and oxygen are gases at room temperature. Bromine is a liquid at room temperature. Silver is a solid at room temperature.

Step2: Understand density trends

In general, solids are more dense than liquids, and liquids are more dense than gases. Since silver is a solid among the given substances, it has the highest density.

Answer:

silver