Which property is most closely related to fusibility?
Melting point
The question asks which property is most closely related to 'fusibility'. Let's explore the given options to determine the correct answer.
- Density: Density is defined as the mass per unit volume of a substance. It is unrelated to fusibility, as fusibility is about heating, not the mass-to-volume ratio.
- Thermal Expansion: Thermal expansion refers to the tendency of matter to change its shape, area, volume, and density in response to a change in temperature. While it involves a change due to heat, it doesn't directly relate to how easily a material can be melted.
- Electrical Resistance: Electrical resistance refers to the opposition to the flow of electric current. It is not related to how easily a material can be melted.
- Melting Point: The melting point of a material is the temperature at which it changes from a solid to a liquid state. Fusibility is directly concerned with how easily a material can be melted, thus closely associated with the melting point.
Based on the explanations above, the correct answer is Melting Point, because the property of fusibility is concerned with the temperature at which a material transitions from solid to liquid, which is defined by its melting point.
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