Metal properties and alloys Flashcards
What does malleable mean?
Malleable means that a metal can be beaten or pressed into thin sheets.
What enviromental problem occurs whilst strip mining?
Strip mining creates large areas of barren and lifeless land.
What is the side effect of waste material produced whilst extracting metal?
Metal extraction is left in spoil tips that scar the landscape.
Why is this metal good?
The strong electrostatic attraction between positive ions and negative electrons means that a lot of energy is needed to separate these particles from the crystal lattice. This means that metals are strong and have high melting and boiling points.
What is an alloy?
An alloy is a mixture of two or more elements, where at least one element is a metal. Many alloys are mixtures of two or more metals.
What is a shape memory alloy?
Shape memory alloys can return to their original shape after being bent or twisted.
