QUESTION IMAGE
Question
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 | ☐ | ☐ | select | select |
| ☐ | ☐ | +1 | 1.0 | a |
To solve this, we recall the properties of subatomic particles:
First Row (Neutron):
- Name: Neutron (symbol \( \ce{_n^0} \))
- Charge: Neutrons have no charge, so \( 0 \) (in multiples of \( e \)).
- Approximate Mass: \( 1 \) amu (neutrons and protons have ~1 amu mass).
- Location: In the nucleus (region labeled “A” in the diagram, as nucleus contains protons and neutrons).
Second Row (Electron):
- Symbol: \( \ce{e^-} \) (or sometimes just \( e \)).
- Charge: Electrons have a charge of \( -1 \) (in multiples of \( e \)).
- Approximate Mass: \( 0 \) amu (electrons are much lighter, ~\( 0 \) amu compared to protons/neutrons).
- Location: In electron clouds/orbitals (the dashed rings around the nucleus, regions like “B” or the outer circles in the diagram).
Third Row (Proton):
- Name: Proton (symbol \( \ce{_p^+} \) or \( p \)).
- Charge: \( +1 \) (given).
- Approximate Mass: \( 1 \) amu (matches the dropdown “1.0”).
- Location: In the nucleus (labeled “A” in the diagram, as protons are in the nucleus with neutrons).
Filling the Table:
| name | symbol | charge (in multiples of \( e \)) | approximate mass (amu) | location on diagram |
|---|---|---|---|---|
| Electron | \( \ce{e^-} \) | \( -1 \) | \( 0 \) | B (electron cloud) |
| Proton | \( \ce{_p^+} \) | \( +1 \) | \( 1.0 \) | A (nucleus) |
Key Takeaways:
- Neutrons: neutral, mass ~1 amu, in nucleus.
- Electrons: negative charge, mass ~0 amu, in electron clouds.
- Protons: positive charge, mass ~1 amu, in nucleus.
This uses atomic structure concepts from Chemistry (Natural Science subfield) to identify particle properties.
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To solve this, we recall the properties of subatomic particles:
First Row (Neutron):
- Name: Neutron (symbol \( \ce{_n^0} \))
- Charge: Neutrons have no charge, so \( 0 \) (in multiples of \( e \)).
- Approximate Mass: \( 1 \) amu (neutrons and protons have ~1 amu mass).
- Location: In the nucleus (region labeled “A” in the diagram, as nucleus contains protons and neutrons).
Second Row (Electron):
- Symbol: \( \ce{e^-} \) (or sometimes just \( e \)).
- Charge: Electrons have a charge of \( -1 \) (in multiples of \( e \)).
- Approximate Mass: \( 0 \) amu (electrons are much lighter, ~\( 0 \) amu compared to protons/neutrons).
- Location: In electron clouds/orbitals (the dashed rings around the nucleus, regions like “B” or the outer circles in the diagram).
Third Row (Proton):
- Name: Proton (symbol \( \ce{_p^+} \) or \( p \)).
- Charge: \( +1 \) (given).
- Approximate Mass: \( 1 \) amu (matches the dropdown “1.0”).
- Location: In the nucleus (labeled “A” in the diagram, as protons are in the nucleus with neutrons).
Filling the Table:
| name | symbol | charge (in multiples of \( e \)) | approximate mass (amu) | location on diagram |
|---|---|---|---|---|
| Electron | \( \ce{e^-} \) | \( -1 \) | \( 0 \) | B (electron cloud) |
| Proton | \( \ce{_p^+} \) | \( +1 \) | \( 1.0 \) | A (nucleus) |
Key Takeaways:
- Neutrons: neutral, mass ~1 amu, in nucleus.
- Electrons: negative charge, mass ~0 amu, in electron clouds.
- Protons: positive charge, mass ~1 amu, in nucleus.
This uses atomic structure concepts from Chemistry (Natural Science subfield) to identify particle properties.