Exploring Metals and Non-metals

Which of the following is a property of metals?

• Poor conductors of heat and electricity

• Brittle and easily breakable

• Dull and non-reflective surface

• Good conductors of heat and electricity

What is a common property of non-metals?

• Non-metals are generally poor conductors of heat and electricity.

• Non-metals are good conductors of heat and electricity.

• Non-metals are usually dense and heavy.

• Non-metals are typically shiny and lustrous.

In the reactivity series, which metal is the most reactive?

• Gold

• Cesium

• Iron

• Silver

Which of the following is a metallic oxide?

• Water (H2O)

• Carbon dioxide (CO2)

• Iron oxide (FeO, Fe2O3)

• Sodium chloride (NaCl)

What is a characteristic of non-metallic oxides?

• Non-metallic oxides are generally acidic in nature.

• Non-metallic oxides are typically basic in nature.

• Non-metallic oxides do not react with water.

• Non-metallic oxides are always gaseous at room temperature.

Which metal is known for its high conductivity?

• Gold

• Aluminum

• Iron

• Copper

What is the primary use of aluminum?

• Household appliances

• Construction materials

• The primary use of aluminum is in transportation and packaging.

• Electrical wiring

Which non-metal is essential for respiration?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

What is the main difference between metals and non-metals?

• Metals are brittle and non-metals are malleable.

• Non-metals have higher melting points than metals.

• Metals are good conductors of heat and electricity, while non-metals are poor conductors.

• Metals are always solid at room temperature, while non-metals are always gases.

Which of the following is a property of non-metals?

• Dull appearance and brittle texture

• High conductivity of heat and electricity

• Poor conductivity of heat and electricity

• Malleable and ductile properties