To determine which of the listed elements is the odd one out, we should consider their physical and chemical properties.

1. **Sodium (Na)**: This is an alkali metal, known for being highly reactive, especially with water.

2. **Bromine (Br)**: This is a halogen, categorized under nonmetals, and it exists in liquid form at room temperature.

3. **Iron (Fe)**: This is a transition metal, widely known for its strength and is used in various alloys.

4. **Calcium (Ca)**: This is an alkaline earth metal, similar to sodium, but it has different properties compared to alkali metals.

### Analysis:
- Sodium, Iron, and Calcium are metals.
- Bromine is the only nonmetal.

### Conclusion:
Thus, **Bromine** stands out as the only nonmetal among the options listed, making it the odd one out.

Question

To determine which of the listed elements is the odd one out, we should consider their physical and chemical properties.

1. **Sodium (Na)**: This is an alkali metal, known for being highly reactive, especially with water.
  
2. **Bromine (Br)**: This is a halogen, categorized under nonmetals, and it exists in liquid form at room temperature.

3. **Iron (Fe)**: This is a transition metal, widely known for its strength and is used in various alloys.

4. **Calcium (Ca)**: This is an alkaline earth metal, similar to sodium, but it has different properties compared to alkali metals.

### Analysis:
- Sodium, Iron, and Calcium are metals.
- Bromine is the only nonmetal.

### Conclusion:
Thus, **Bromine** stands out as the only nonmetal among the options listed, making it the odd one out.

Knowee AI · Accepted Answer

To determine which of the listed elements is the odd one out, we should consider their physical and chemical properties.

1. **Sodium (Na)**: This is an alkali metal, known for being highly reactive, especially with water.
  
2. **Bromine (Br)**: This is a halogen, categorized under nonmetals, and it exists in liquid form at room temperature.

3. **Iron (Fe)**: This is a transition metal, widely known for its strength and is used in various alloys.

4. **Calcium (Ca)**: This is an alkaline earth metal, similar to sodium, but it has different properties compared to alkali metals.

### Analysis:
- Sodium, Iron, and Calcium are metals.
- Bromine is the only nonmetal.

### Conclusion:
Thus, **Bromine** stands out as the only nonmetal among the options listed, making it the odd one out.

Which one of the following is the odd one out?SodiumBromineIronCalciumI DON'T KNOWSUBMIT ANSWER

Question

Which one of the following is the odd one out?

Solution

Analysis:

Conclusion:

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