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View the incomplete table:

\begin{tabular}{|c|c|c|}
\hline
State & Arrangement of Atoms & Example \\
\hline
[tex]$T$[/tex] & are fixed; vibrate in place & [tex]$W$[/tex] \\
\hline
[tex]$U$[/tex] & move freely; spread out & helium \\
\hline
liquid & are closely packed; slide past one another & [tex]$X$[/tex] \\
\hline
[tex]$V$[/tex] & have rapidly moving ionized particles & Sun \\
\hline
\end{tabular}

In which box could "gas" be placed?

A. [tex]$U$[/tex]

B. [tex]$V$[/tex]

C. [tex]$W$[/tex]

D. [tex]$X$[/tex]


Sagot :

To determine in which box "gas" could be placed in the given table, let's review the options and match each option to the appropriate characteristics of gases:

1. State: We're trying to find the state row that can define the characteristics of a gas.

2. Arrangement of Atoms: For a gas, the atoms or molecules move freely and spread out to fill the container they are in.

3. Examples:
- Helium is mentioned in the table as an example of a state where particles move freely and spread out.

Review of each state in the table:

- Box [tex]$T$[/tex]: "are fixed; vibrate in place," which is characteristic of a solid.
- Box [tex]$U$[/tex]: "move freely; spread out," correctly describes a gas and specifically lists helium, which is a gas.
- Box liquid: "are closely packed; slide past one another," which describes a liquid.
- Box [tex]$V$[/tex]: "have rapidly moving ionized particles," which typically describes a plasma state.

From this information, the correct box where “gas” should be placed is [tex]$U$[/tex].
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