1B: Coinage Metals Flashcards
1
Q
Occurrence of coinage metals
A
free or in complexes/ chelates
2
Q
easily recovered from ore
A
metallurgy
3
Q
only reddish metal
A
copper
3
Q
degree of malleability, conductor of heat and electricity
A
1st: Au
2nd: Ag
3rd: Cu
4
Q
Cuprum essential trace element
A
Copper
5
Q
Cuprous readily undergoes _________________
A
disproportionation
6
Q
Component of _______________ (respiratory pigment) and _____________ (with Fe)
(copper)
A
Hemocyanin; cytochrome oxidase
7
Q
Uses of copper
A
protein precipitant (heavy metal)
7
Q
Toxicity of copper
A
Wilson’s disease
8
Q
Treatment for Wilson’s disease
A
Penicillamine
9
Q
Obtained from furnace covered with black blisters
A
Blister Copper
10
Q
2 important alloys: Brass ( ___+___ ); Bronze ( ___+___ )
A
Cu + Zn; Cu + Sn
11
Q
Argentum, shining bright
A
Silver
12
Q
Uses of silver
A
- Oligodynamic property- germicidal action: ability of certain heavy metals to inhibit
- Protein precipitant
13
Q
Toxicity of silver
A
argyria
