metals revision

Which property is not considered a typical metallic property?

• good conductor of heat

• low melting point

• malleable (can be hammered into shape

• strong

Tin is a metal that is less reactive than iron and is extracted from its ore cassiterite, SnO2.

Which statements about tin are correct?

1. Tin can be extracted from cassiterite using carbon.

2.Tin does not conduct electricity.

3.Tin is hard and shiny.

• 1, 2

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

Which statement is correct for all metals?

• conduct electricity when molten

• gain electrons when they form ions

• have a low density

• have a low melting point

The list shows the order of reactivity of some elements.

K Na Ca Mg Zn Fe (H) N

Which statement about the reactivity of these metals is correct?

• Copper reacts with steam to form hydrogen gas.

• Magnesium is more reactive than calcium.

• Potassium reacts with water to form hydrogen gas.

• Sodium oxide is reduced by carbon to sodium.

Metal X reacts violently with water.

Metal Y reacts slowly with steam.

Metal Z does not react with dilute hydrochloric acid.

What is the correct order of reactivity of these metals, most reactive first?

• X → Y → Z

• X → Z → Y

• Z → X → Y

• Z → Y → X