Properties of Nonmetals

The video discusses the physical properties of nonmetals, highlighting their softness, brittleness, non-malleability, non-ductility, and non-sonorous nature. Nonmetals like coal and sulphur break into powdery masses when struck and do not produce sound, unlike metals.

What is a common characteristic of nonmetals when they are tapped with a hammer?

• They produce a ringing sound.

• They become shiny.

• They stretch into thin wires.

• They break into a powdery mass.

Which of the following properties is NOT associated with nonmetals?

• Brittle

• Malleable

• Soft

• Non-ductile

Why can't nonmetals be drawn into wires?

• They are too heavy.

• They are too hard.

• They are too shiny.

• They are non-ductile.

What happens when you hit a piece of sulphur with a metal spoon?

• It produces a loud sound.

• It stretches into a wire.

• It breaks into small pieces.

• It becomes a liquid.

Which property of nonmetals is demonstrated by their inability to make sound when struck?

• Ductile

• Sonorous

• Non-sonorous

• Malleable