Metallic Properties and Bonding (VCE SSCE Chemistry): Flashcards
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Fraction of elements that are metals
Fraction of elements that are metals
Over four-fifths (>80%)
Metallurgy definition
Metallurgy definition
Science of modifying metals
Alloy definition
Alloy definition
Metal mixed with small amounts of other substances
Cation definition
Cation definition
Positive ion formed when metal loses electrons
Ion charge for Group 1 metals
Ion charge for Group 1 metals
Delocalised electrons
Delocalised electrons
Electrons free to move throughout metal lattice
Metallic bonding definition
Metallic bonding definition
Electrostatic attraction between cations & delocalised
Why metals conduct electricity
Why metals conduct electricity
Delocalised electrons are free to move
Why metals are malleable and ductile
Why metals are malleable and ductile
Layers slide while delocalised electrons hold them together
Why transition metal compounds are coloured
Why transition metal compounds are coloured
Electrons absorb light of particular wavelengths