Physical Properties of Non-metals
Chemistry ⇒ Metals and Non-metals
Physical Properties of Non-metals starts at 6 and continues till grade 12.
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Describe the appearance of most non-metals.
Describe the physical state of non-metals at room temperature.
Explain why graphite, a non-metal, can conduct electricity.
Explain why non-metals are generally brittle in solid state.
Explain why non-metals are not sonorous.
Explain why non-metals are not used for making electrical wires.
List three physical properties of non-metals.
Name a non-metal that is solid at room temperature.
Name two physical properties that distinguish non-metals from metals.
Which non-metal is essential for respiration in living beings?
Why are non-metals not used for making utensils?
A student observes that both sulphur and phosphorus are non-metals, but they have different physical appearances and states at room temperature. Explain the reason for this difference based on their molecular structures.
Compare the electrical conductivity of graphite and diamond, both forms of carbon, and explain the reason for the difference.
Describe how the physical properties of non-metals make them suitable for use in water purification and disinfection.
Explain why diamond, a non-metal, is extremely hard while most other non-metals are soft or brittle. Relate your answer to the atomic structure and bonding in diamond.
