(Solved): Here are four sketches of substances. Each sketch is drawn as if a sample of the substance were und ...

Here are four sketches of substances. Each sketch is drawn as if a sample of the substance were under a microscope so powerful that individual atoms could be seen. Decide whether each sketch shows a sample of an element, a compound, or a mixture. \begin{tabular}{|l|l|} \hline elemient. \\ compound & siement \\ \hline cempound \end{tabular}