Metallic
Metallic refers to substances that exhibit the properties of metals. These properties include high electrical and thermal conductivity, malleability, ductility, and a characteristic luster. Metals are typically solid at room temperature, with the exception of mercury, which is liquid.
Properties of Metallic Substances[edit | edit source]
Metallic substances are characterized by their unique set of properties:
- Electrical Conductivity: Metals are excellent conductors of electricity due to the presence of free electrons that can move easily through the lattice structure.
- Thermal Conductivity: Metals can efficiently transfer heat, making them useful in applications requiring heat dissipation.
- Malleability and Ductility: Metals can be hammered into thin sheets (malleability) or drawn into wires (ductility) without breaking.
- Luster: Metals have a shiny appearance due to their ability to reflect light.
Types of Metals[edit | edit source]
Metals can be broadly classified into two categories:
- Ferrous metals: These metals contain iron. Examples include steel and cast iron.
- Non-ferrous metals: These metals do not contain iron. Examples include aluminum, copper, and zinc.
Applications of Metals[edit | edit source]
Metals are used in a wide range of applications due to their versatile properties:
- Construction: Metals like steel and aluminum are used in building structures, bridges, and infrastructure.
- Electronics: Metals such as copper and gold are used in electrical wiring and components.
- Transportation: Metals are used in the manufacturing of vehicles, aircraft, and ships.
- Jewelry: Precious metals like gold, silver, and platinum are used in making jewelry.
Related Concepts[edit | edit source]
- Alloy: A mixture of two or more elements, where at least one is a metal, to enhance properties.
- Corrosion: The process by which metals deteriorate due to chemical reactions with their environment.
- Metallurgy: The science and technology of extracting metals from their ores and modifying the metals for use.
See Also[edit | edit source]
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