Chapter 9 Metals (Metals and Alloys)

Many alloys are softer than the elements that are in them.

• True

• False

Pure iron is _________________ .

• soft and weak

• hard and stong

• bendy and brittle

Bronze is an alloy of copper and _____.

• Steel

• Iron

• Tin

• Carbon

Brass is an alloy of which two metals?

• Copper

• Iron

• Aluminium

• Zinc

Tin is commonly used for.

• Electrical components

• Food cans

• Car parts

• Drill bits

If a material can easily be drawn into the shape of a wire, it is

• Ductile
• Magnetic
• Malleable
• Reactive

Which is a liquid metal

• Mercury

• Gold

• silver

• brass

Brass is an alloy made of

• copper and zinc

• copper and tin

• copper and nickel

• copper and aluminum

Which of the following are alloys? (choose 3)

• Lead

• Bronze

• Brass

• Aluminium

• Stainless Steel

What does the term 'malleable' mean when we refer to a metal?

• Can be bent into new shapes without breaking

• Shiny

• Can be stretched into wires

• Crumble easily