Group Properties of Elements Group G-IB Flashcards
Occurrence: Free or in complexes/ chelates (easily
recovered from ore - Metallurgy)
GROUP 1B: COINAGE METALS
GROUP 1B: COINAGE METALS
Degree of Malleability, Conductor of heat & electricity:
○ 3rd: Cu+1, +2
○ 2nd: Ag+1
○ 1st: Au+1,+3
Cuprum
COPPER (Cu)
essential trace element from G-IB
COPPER (Cu)
readily undergoes disproportionation
Cuprous (Cu
+1) - (Cu
+1 → Cu0 + Cu2+)
Only reddish metal
COPPER (Cu)
Component of hemocyanin (respiratory pigment) and
cytochrome oxidase (with Fe)
COPPER (Cu)
Group IB
Pharmaceutical use:
○ Protein precipitant (heavy metal)
Cu, Ag
T oxicity: Wilson’s Disease
COPPER (Cu)
Tx of Wilsons disease
Penicillamine
obtained from furnace covered with black
blisters
Blister Cu
2 important alloys of copper
○ Cu + Zn (brass)
○ Cu + Sn (bronze)
other name for Group IIB
coinage metals
Shining, Bright
SILVER (Ag)
Pharmaceutical use:
○ Oligodynamic property - germicidal action
SILVER (Ag)
T oxicity: Argyria
SILVER (Ag)
Tx of argyria
NSS
Silver proteinates
Eye antiseptic
Mild Ag proteinate/ Argyrol
Silver proteinates
ENT germicide
Strong Ag proteinate/ Protagrol
Silver proteinates
General
germicide
Colloidal Ag proteinate/ Collargol
Silver proteinates’ stabilizer
EDTA
Colloidal AgCl other name
Lunosol
- for wound healing, not FDA-approved
Argentum
silver (Ag)
Aurum
GOLD (Au)
