Questions: Measurement and Matter Identifying the parts of an atom Complete the table below, using the diagram of an atom shown at right. Properties of subatomic particles name symbol charge (in multiples of e ) approximate mass (amu) location on diagram electron (1) — (choose one) V (choose one) v — — 0 1.0 A neutron — — (choose one) v (choose one)

Measurement and Matter
Identifying the parts of an atom

Complete the table below, using the diagram of an atom shown at right.

Properties of subatomic particles

name symbol charge (in multiples of e ) approximate mass (amu) location on diagram

electron (1) — (choose one) V (choose one) v

— — 0 1.0 A

neutron — — (choose one) v (choose one)

Transcript text: Measurement and Matter Identifying the parts of an atom Complete the table below, using the diagram of an atom shown at right. \begin{tabular}{|c|c|c|c|c|} \hline \multicolumn{5}{|c|}{Properties of subatomic particles} \\ \hline name & symbol & \begin{tabular}{l} charge \\ (in multiples of $e$ ) \end{tabular} & approximate mass (amu) & location on diagram \\ \hline electron & (1) & — & (choose one) V & (choose one) $v$ \\ \hline — & — & 0 & 1.0 & A \\ \hline neutron & — & — & (choose one) $v$ & (choose one) $\$ \\ \hline \end{tabular}

Solution

Solution Steps

Step 1: Identify the Subatomic Particles

The three main subatomic particles in an atom are electrons, protons, and neutrons. Each has distinct properties such as charge, mass, and location within the atom.

Step 2: Fill in the Electron Row

Name: Electron
Symbol: $ e^- $
Charge: $-1$ (in multiples of $ e $)
Approximate Mass: Electrons have a very small mass compared to protons and neutrons, approximately $0.0005$ amu, but for simplicity, it is often considered negligible.
Location: Electrons are located in the electron cloud surrounding the nucleus.

Step 3: Fill in the Proton Row

Name: Proton
Symbol: $ p^+ $
Charge: $+1$ (in multiples of $ e $)
Approximate Mass: 1.0 amu
Location: Protons are located in the nucleus of the atom.

Step 4: Fill in the Neutron Row

Name: Neutron
Symbol: $ n^0 $
Charge: 0 (neutral)
Approximate Mass: 1.0 amu
Location: Neutrons are also located in the nucleus of the atom.

Final Answer

Electron: $\boxed{\text{Symbol: } e^-, \text{ Charge: } -1, \text{ Mass: } 0.0005 \text{ amu}, \text{ Location: Electron cloud}}$
Proton: $\boxed{\text{Symbol: } p^+, \text{ Charge: } +1, \text{ Mass: } 1.0 \text{ amu}, \text{ Location: Nucleus}}$
Neutron: $\boxed{\text{Symbol: } n^0, \text{ Charge: } 0, \text{ Mass: } 1.0 \text{ amu}, \text{ Location: Nucleus}}$

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