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What are the properties of metals
Thermal conductivity, electrical conductivity, malleable and ductile, high melting and boiling points
Why metals are malleable
Positive metal ions arranged in uniform rows
How metals are bonded
Metallic bonding
What is produced when metal and dilute acid react
Salt + hydrogen
What is produced when metal and cold water
Metal hydroxide + hydrogen
What is produced when metal and steam react
Metal oxide + hydrogen
What is produced when metal reacts with oxygen
Metal oxide
What are aluminums uses
Aircraft, electrical cables, food containers
Why aluminum is used for aircraft's
Low density
Why aluminum is used for electrical cables
Law density electrical conductivity
Why aluminum is used for food containers
Resistant to corrosion
What are coppers uses
Electrical wiring
Why copper is used for electrical wiring
Electrical conductivity and ductile
What are irons uses?
Making steel
Why alloys are used
To prevent corrosion, alloys are stronger and harder
What brass consists of
Zn + C
What bronze consists of
Cu + Sn
What mild steel consists of
Fe + C
What stainless steel consists of
Fe + Cr + Ni
What solder consists of
Sn + Pb
Why alloys are stranger than pure metals
Normally the particles can slide over each other. But when there's another particle , particles can't slide over each other due to the irregular shape