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Characteristics of metals are...

Characteristics of metals are

A

shining surface

B

malleability

C

good conductor

D

All of these

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The correct Answer is:
### Step-by-Step Solution: 1. **Definition of Metals**: Metals are elements that are typically characterized by their ability to conduct electricity and heat, their malleability, ductility, and their shiny appearance. They are usually solid at room temperature (with the exception of mercury). 2. **Shiny Surface**: One of the most notable characteristics of metals is their shiny surface. This property is known as luster. Metals reflect light well, which gives them a bright and shiny appearance. 3. **Malleability**: Metals can be hammered or pressed into thin sheets without breaking. This property is known as malleability. It allows metals to be shaped into various forms, which is essential in manufacturing and construction. 4. **Ductility**: Metals can also be drawn into wires. This property is called ductility. It is important for applications such as electrical wiring and cables. 5. **Good Conductors**: Metals are excellent conductors of heat and electricity. This means they allow energy to pass through them easily, which is why they are commonly used in electrical applications and cooking utensils. 6. **High Density**: Most metals have a high density, meaning they are heavy for their size. This characteristic is important in applications where strength and weight are considerations. 7. **High Melting and Boiling Points**: Metals generally have high melting and boiling points, which makes them suitable for high-temperature applications. ### Summary of Characteristics of Metals: - Shiny surface (luster) - Malleability (can be shaped) - Ductility (can be drawn into wires) - Good conductors of heat and electricity - High density - High melting and boiling points ---

### Step-by-Step Solution: 1. **Definition of Metals**: Metals are elements that are typically characterized by their ability to conduct electricity and heat, their malleability, ductility, and their shiny appearance. They are usually solid at room temperature (with the exception of mercury). 2. **Shiny Surface**: One of the most notable characteristics of metals is their shiny surface. This property is known as luster. Metals reflect light well, which gives them a bright and shiny appearance. ...
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