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What are metallic bonds?
Where outer shell electrons become delocalised
alloy
mixture of two or more metals or metal and non-metal
Why are alloys often stronger and harder than ther individual components?
The addition of atoms from another element disrupt the regularly arranged layers so they no longer slide over eachother.
What keeps the structure of the alloy in place?
Strong electrostatic forces of attraction between oppositely charged particles
Metal atoms are arranged in …
rows
Metals can be pulled into wires - this property is called …
ductile
The layers can slide eachother meaning they can be hammered - this property is called …
malleable
