Softness: Sodium is a very soft metal and can be easily cut with a knife.This level of reactivity is not seen in many other metals. Reactivity: Sodium is highly reactive and must be stored under oil or other protective substances to prevent it from reacting with air or moisture.Lower density: Sodium has a lower density than many other metals, such as iron, copper, and gold.Lower melting and boiling points: While sodium has a relatively high melting and boiling point compared to most non-metals, its melting and boiling points are lower than those of many other metals.Sodium is different from other metals in several ways: How is sodium different from other metals? Overall, the combination of these properties, along with others, such as its ability to react with acids and form ionic compounds, classify sodium as a metal. High thermal conductivity: Sodium is a good conductor of heat, which is also a common property of metals.Form basic oxides: When sodium reacts with oxygen, it forms a basic oxide, which is a common property of metals.High melting and boiling point: While not as high as some other metals, sodium has a relatively high melting and boiling point compared to most non-metals, which makes it useful in high-temperature applications.Low electronegativity: Sodium has a low electronegativity, which means it has a tendency to lose electrons in chemical reactions and form cations. High ductility: Sodium is malleable and ductile, meaning it can be easily drawn into wires or hammered into thin sheets without breaking.Good electrical conductivity: Sodium is a good conductor of electricity, which is a common property of metals due to the presence of free electrons in the crystal lattice.Metallic luster: Sodium has a shiny, reflective surface when freshly cut, which is characteristic of metals.There are several properties of sodium that classify it as a metal: Properties of sodium that classify it as a metal Overall, the combination of these physical and chemical properties is what makes sodium a metal. Sodium has a relatively low melting and boiling point compared to some other metals, but it is still higher than most non-metals. Sodium is also malleable and ductile, which allows it to be used in a wide range of applications.įinally, metals tend to have high melting and boiling points, which make them useful in high-temperature applications. 4 5Īnother key property of metals is their malleability and ductility, meaning they can be easily bent, shaped, and stretched into wires or sheets. Sodium exhibits these properties, making it a good conductor of both electricity and heat, and it has a shiny, metallic appearance. Metals also tend to be good conductors of electricity and heat, and they have a characteristic metallic luster. Sodium, like other metals, has a relatively low electronegativity, which allows it to easily lose its outermost electron and form a cation. One of the defining features of metals is that they tend to have low electronegativity, which means they have a tendency to lose electrons in chemical reactions. Sodium is a metal because it has the characteristic physical and chemical properties that are common to metals.
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