### Step 1: Identify the Model Types
1. **Bohr Diagram:** Represents the electron shells and orbits around the nucleus but does not focus on valence electrons specifically.
2. **Lewis-Dot Diagram:** Specifically illustrates valence electrons as dots around the element's symbol.
3. **Plum Pudding Model:** Describes the atom as a mix of positive charge with electrons scattered throughout but does not specifically represent valence electrons.

### Step 2: Determine the Correct Answer
The question asks which model shows only the valence electrons of an element.

### Final Answer
The model that shows only the valence electrons of an element is the **Lewis-dot diagram**. This diagram effectively highlights the valence electrons, making it useful for studying chemical bonding and reactivity.

Question

### Step 1: Identify the Model Types
1. **Bohr Diagram:** Represents the electron shells and orbits around the nucleus but does not focus on valence electrons specifically.
2. **Lewis-Dot Diagram:** Specifically illustrates valence electrons as dots around the element's symbol.
3. **Plum Pudding Model:** Describes the atom as a mix of positive charge with electrons scattered throughout but does not specifically represent valence electrons.

### Step 2: Determine the Correct Answer
The question asks which model shows only the valence electrons of an element.

### Final Answer
The model that shows only the valence electrons of an element is the **Lewis-dot diagram**. This diagram effectively highlights the valence electrons, making it useful for studying chemical bonding and reactivity.

Knowee AI · Accepted Answer

### Step 1: Identify the Model Types
1. **Bohr Diagram:** Represents the electron shells and orbits around the nucleus but does not focus on valence electrons specifically.
2. **Lewis-Dot Diagram:** Specifically illustrates valence electrons as dots around the element's symbol.
3. **Plum Pudding Model:** Describes the atom as a mix of positive charge with electrons scattered throughout but does not specifically represent valence electrons.

### Step 2: Determine the Correct Answer
The question asks which model shows only the valence electrons of an element.

### Final Answer
The model that shows only the valence electrons of an element is the **Lewis-dot diagram**. This diagram effectively highlights the valence electrons, making it useful for studying chemical bonding and reactivity.

This type of model shows only the valence electrons of an element? Bohr diagramLewis-dot diagramplum pudding model

Question

This type of model shows only the valence electrons of an element?

Solution

Step 1: Identify the Model Types

Step 2: Determine the Correct Answer

Final Answer

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