Question
Which of the following is a typical physical property of non-metals?
The correct answer is
They are brittle and poor conductors of electricity.
Non-Metal Physical Properties Explained
The question asks to identify a typical physical property characteristic of non-metals.
- Metals generally exhibit properties like ductility (can be drawn into wires), malleability (can be hammered into sheets), shininess (lustrous), and are good conductors of heat and electricity. They are also often sonorous (make a ringing sound when struck).
- Non-metals, conversely, typically display opposite characteristics.
Analyzing the Options for Non-Metals:
- Option 1 describes properties (ductile, shiny) characteristic of metals.
- Option 2 describes properties (malleable, sonorous) characteristic of metals.
- Option 3 describes good conductivity, a property mainly associated with metals, although some non-metals like graphite are exceptions. However, it's not the *typical* physical property.
- Option 4 states that non-metals are brittle (break easily when stressed) and are poor conductors of heat and electricity. This accurately describes the common physical properties of most non-metals in their solid state.
Therefore, being brittle and a poor conductor is a typical physical property of non-metals.
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Important Questions from Metals and Properties
The property of metals to produce ringing sound on being struck with a hard object is known as ________.
In Stress & Strain diagram, stress is always represented on the ______.
Which of the following statements about the resistivity of metals is INCORRECT?
Alumina is prepared from ______.
The metals that produce a sound on striking a hard surface are called:
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