Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Transcribed Image Text:The image displays a chart designed to organize information about subatomic particles, specifically protons, neutrons, and electrons. The chart includes columns for "Subatomic Particle," "Charge," "Mass (AMU)," and "Location."
### Incomplete Chart:
- **Subatomic Particle**
- Proton
- Neutron
- Electron
- **Charge**
- (blank)
- (blank)
- (blank)
- **Mass (AMU)**
- (blank)
- (blank)
- (blank)
- **Location**
- (blank)
- (blank)
- (blank)
### Reference Information at Bottom of Image:
There are two possible completions provided at the bottom.
1. **Option 1:**
- **Proton**
- Charge: Neutral (0)
- Mass: 1 AMU
- Location: Nucleus
- **Neutron**
- Charge: Positive (+)
- Mass: 0 AMU
- Location: Nucleus
2. **Option 2:**
- **Proton**
- Charge: Positive (+)
- Mass: 1 AMU
- Location: Nucleus
- **Neutron**
- Charge: Neutral (0)
- Mass: 1 AMU
- Location: Nucleus
The correct completion of the chart aligns with scientific understanding that protons have a positive charge, a mass of 1 AMU, and are located in the nucleus, while neutrons are neutral, have a mass of 1 AMU, and are also located in the nucleus. Electrons, not shown in the options, have a negative charge, a negligible mass often approximated as 0 AMU, and are located in the electron cloud surrounding the nucleus.
Transcribed Image Text:**Title: Understanding Rutherford's Gold Foil Experiment**
**Question:**
Which of these two images describes the behavior of alpha (α) particles in Rutherford's gold-foil experiment?
**Description:**
The image contains two diagrams depicting the behavior of alpha particles during Rutherford's gold-foil experiment.
**Diagrams:**
1. **First Diagram (Red Sphere):**
- Shows a large red sphere with several small orange dots inside it.
- Multiple arrows are shown passing straight through the sphere without deflection.
- This representation suggests a model where alpha particles pass through the atom uninterrupted, implying a uniform distribution of mass.
2. **Second Diagram (Yellow Sphere):**
- Illustrates a large yellow sphere with a single small red dot at its center.
- Several arrows are shown passing through, but a couple of arrows deviate or bounce back, indicating deflection.
- This reflects Rutherford’s findings: the atom consists of a small, dense nucleus at the center, causing some alpha particles to be deflected, while most pass through empty space.
**Conclusion:**
The second diagram (yellow sphere) accurately depicts the behavior of alpha particles in Rutherford's gold-foil experiment, leading to the conclusion that atoms have a dense central nucleus.
Expert Solution
Step 1
The Gold Foil Experiment by Rutherford involves the firing of alpha particles through the gold leaf. This experiment observed that alpha particles deflect if allowed to pass through more smoothly spread gold atoms.
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