Metallic bonding and nanoscience
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11 Terms
Metal crystals
made of metal lattices used to prevent metal from rusting
Metallic bonding
a bond that causes electrons in the outer shell to delocalise
Giant metallic structures properties
malleable, good conductors , ductile
Alloys
mixture of two or more metals to make a harder metal
Why alloys form harder metals
Different size atoms make it difficult for layers to slide over each other
Nanoscience
the study of atoms and and molecules at a small level
Nanoparticles
particles between 1 and 100 nm
Uses of nanoscience
sunscreen, computers , catalysts
Risks of nanoparticles
cause violent explosions, damage to the lungs
How do the metal ions bond
Due to strong electrostatic attraction
Size of nanoparticles
Few hundred atoms
Note 
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