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Students are completing a table about a particular subatomic particle that helps make up an atom.

\begin{tabular}{|l|l|l|}
\hline
Mass [tex]$(amu)$[/tex] & Location & Charge \\
\hline
[tex]$1/2,000$[/tex] & & Has a charge \\
\hline
\end{tabular}

What best explains how they should complete the table?

A. With "Inside the nucleus," because the particle is a proton
B. With "Inside the nucleus," because the particle is a neutron
C. With "Outside of the nucleus," because the particle is a proton
D. With "Outside of the nucleus," because the particle is an electron



Answer :

To complete the table correctly, we need to identify the subatomic particle described by the given properties:

1. Mass ([tex]\( amu \)[/tex]): The particle in question has a mass of [tex]\( \frac{1}{2000} \)[/tex] atomic mass units (amu). This property is very specific and helps us narrow down the subatomic particles. Among electrons, protons, and neutrons, the electron is known to have a mass approximately [tex]\( \frac{1}{2000} \)[/tex] of a proton or neutron.

2. Location: In an atom, electrons are found outside the nucleus, while protons and neutrons are found inside the nucleus.

3. Charge: The particle is described as having a charge. This eliminates the neutron, which is neutral. Protons have a positive charge, and electrons have a negative charge.

Given these clues, the particle with a mass of [tex]\( \frac{1}{2000} \)[/tex] amu, found outside the nucleus, and having a charge, is the electron.

Therefore, to complete the table accurately, the correct explanation would be:

- Location: "Outside of the nucleus"
- Particle: "electron"

So, the best explanation for how to complete the table is:
- "Outside of the nucleus," because the particle is an electron