Alloys
Names
Bonding
Formula
Properties
100
A mixture of copper and tin, this was one of the earliest alloys.
What is bronze?
100
potassium fluoride
What is KF?
100
This structure consists of a network of positive nuclei surrounded by a sea of delocalised electrons.
What are metals?
100
NaCl
What is sodium chloride?
100
These substances are good conductors of electricity when solid or molten.
What are metals?
200
This is the main metal found in steel
What is iron?
200
Magnesium chloride
What is MgCl2
200
This bonding type consists of a lattice of alternating positive and negative particles.
What is ionic?
200
CaO
What is calcium oxide?
200
Substances with this structure have the lowest melting points.
What are covalent molecules?
300
This alloy is a mixture of copper and zinc.
What is brass?
300
Barium oxide
What is BaO?
300
The charge formed on an atom by the loss of electrons.
What is positive?
300
PbF2
What is lead (II) fluoride?
300
Having very strong bonds throughout their structure make these substances very hard.
What are covalent networks?
400
This is the metal added to stainless steel to make it corrosion resistant.
What is chromium?
400
Iron (II) chloride?
What is FeCl2
400
This is what a covalent bond consists of.
What is a shared pair of electrons?
400
Al2O3
What is aluminium oxide?
400
The property of metals that allows them to be reshaped without shattering.
What is malleability?
500
The property of steel that is changed by including more carbon in the alloy
What is hardness?
500
Sodium sulphate
What is Na2SO4?
500
Diamond, graphite, silicon and silicon dioxide are examples of this structure?
What is a covalent network
500
Na2CO3
What is sodium carbonate?
500
The reason that covalent molecules have low melting points is that to melt them you only need to break these.
What are intermolecular forces?
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