Anton created a chart listing different types of materials.

Types of Materials
\begin{tabular}{|c|c|}
\hline
Type & Example \\
\hline
conductor & silver \\
\hline
insulator & [tex]$X$[/tex] \\
\hline
semiconductor & [tex]$Y$[/tex] \\
\hline
superconductor & mercury \\
\hline
\end{tabular}

Which best completes the chart?

A. [tex]$X$[/tex]: copper, [tex]$Y$[/tex]: glass
B. [tex]$X$[/tex]: rubber, [tex]$Y$[/tex]: copper
C. [tex]$X$[/tex]: paper, [tex]$Y$[/tex]: silicon
D. [tex]$X$[/tex]: silicon, [tex]$Y$[/tex]: glass



Answer :

To best complete the chart that Anton created, let's analyze each blank and match it with the most appropriate material type given the options:

1. For the blank labeled 'X' (which corresponds to 'insulator'), we need to find a material that is an insulator.

2. For the blank labeled 'Y' (which corresponds to 'semiconductor'), we need to find a material that is a semiconductor.

Given the options:
- X: copper (Copper is a conductor, not an insulator.)
- Y: glass (Glass is generally an insulator, not a semiconductor.)
- X: rubber (Rubber is indeed an insulator.)
- Y: copper (Copper is a conductor.)
- X: paper (Paper is an insulator, but we need to consider the best match.)
- Y: silicon (Silicon is a semiconductor.)
- X: silicon (Silicon is a semiconductor, not an insulator.)
- Y: glass (Glass is not a semiconductor.)

Clearly, the best matches to complete the chart are:
- X: rubber (Insulator)
- Y: silicon (Semiconductor)

So the chart is best completed as:

| Type | Example |
|---------------|---------|
| conductor | silver |
| insulator | rubber |
| semiconductor | silicon |
| superconductor| mercury |

Hence, the correct completion for the chart is:
X: rubber
Y: silicon