Metals and Non-Metals

What is a physical property of metals that makes them good conductors of electricity?

• Positive charge

• Neutrons

• Free electrons

• Protons

Which chemical property of metals allows them to react with acids to produce hydrogen gas?

• Condensation

• Sublimation

• Oxidation

• Decomposition

Name a physical property of non-metals that makes them brittle in solid form.

• Metallic bonds

• Ductility

• Covalent bonds

• Ionic bonds

What chemical property of non-metals makes them poor conductors of electricity?

• High electronegativity

• High ionization energy

• Low electronegativity

• Low atomic radius

Arrange the following metals in the reactivity series from most reactive to least reactive: Zinc, Copper, Iron, Gold

• Copper, Gold, Iron, Zinc

• Iron, Copper, Gold, Zinc

• Gold, Copper, Iron, Zinc

• Zinc, Iron, Copper, Gold

What is the primary use of copper in everyday life?

• Jewelry making

• Cookware

• Construction materials

• Electrical wiring

Why are metals often used in construction materials?

• Metals are lightweight and easy to transport.

• Metals are prone to rust and corrosion.

• Metals are expensive and difficult to work with.

• Metals are strong, durable, and have good structural properties.

Which non-metal is commonly used in making pencils due to its softness?

• Silver

• Coal

• Graphite

• Copper

How do non-metals generally react with acids?

• Non-metals react with acids by turning into metals

• Non-metals react with acids by evaporating

• Non-metals react with acids by forming covalent compounds or hydrogen gas.

• Non-metals react with acids by exploding

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

• Metals and non-metals have the same reactivity.

• Metals and non-metals do not react with other elements.

• Metals lose electrons, non-metals gain electrons.

• Metals gain electrons, non-metals lose electrons.