To determine which element, when alloyed with aluminum, results in the alloy with the least density, we need to consider the densities of the potential alloying elements:

1. **Copper**: The density of copper is approximately 8.96 g/cm³, which is relatively high.
2. **Magnesium**: The density of magnesium is around 1.74 g/cm³, which is much lower than copper.
3. **Lithium**: The density of lithium is about 0.53 g/cm³, making it the lightest metal.
4. **Manganese**: The density of manganese is about 7.43 g/cm³, which is higher than both magnesium and lithium.

### Analysis

Aluminum itself has a density of approximately 2.7 g/cm³. When considering which alloy leads to the least overall density, lithium stands out due to its significantly lower density compared to the others. As lithium has a density much lower than aluminum and is used in some aluminum-lithium alloys to decrease weight, it will result in the lightest alloy.

### Conclusion

Therefore, the alloy of aluminum has the least density when it is alloyed with **C) Lithium**.

Question

To determine which element, when alloyed with aluminum, results in the alloy with the least density, we need to consider the densities of the potential alloying elements:

1. **Copper**: The density of copper is approximately 8.96 g/cm³, which is relatively high.
2. **Magnesium**: The density of magnesium is around 1.74 g/cm³, which is much lower than copper.
3. **Lithium**: The density of lithium is about 0.53 g/cm³, making it the lightest metal.
4. **Manganese**: The density of manganese is about 7.43 g/cm³, which is higher than both magnesium and lithium.

### Analysis

Aluminum itself has a density of approximately 2.7 g/cm³. When considering which alloy leads to the least overall density, lithium stands out due to its significantly lower density compared to the others. As lithium has a density much lower than aluminum and is used in some aluminum-lithium alloys to decrease weight, it will result in the lightest alloy.

### Conclusion

Therefore, the alloy of aluminum has the least density when it is alloyed with **C) Lithium**.

Knowee AI · Accepted Answer

To determine which element, when alloyed with aluminum, results in the alloy with the least density, we need to consider the densities of the potential alloying elements:

1. **Copper**: The density of copper is approximately 8.96 g/cm³, which is relatively high.
2. **Magnesium**: The density of magnesium is around 1.74 g/cm³, which is much lower than copper.
3. **Lithium**: The density of lithium is about 0.53 g/cm³, making it the lightest metal.
4. **Manganese**: The density of manganese is about 7.43 g/cm³, which is higher than both magnesium and lithium.

### Analysis

Aluminum itself has a density of approximately 2.7 g/cm³. When considering which alloy leads to the least overall density, lithium stands out due to its significantly lower density compared to the others. As lithium has a density much lower than aluminum and is used in some aluminum-lithium alloys to decrease weight, it will result in the lightest alloy.

### Conclusion

Therefore, the alloy of aluminum has the least density when it is alloyed with **C) Lithium**.

An alloy of aluminium has the least density when it is alloyed withSelect an answerAcopperBmagnesiumClithiumDmanganese

Question

An alloy of aluminium has the least density when it is alloyed with

Solution

Analysis

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