Metallurgy question:What is the most important properties of these materials ( Lead, tin, Silicon, Arsenic)?

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Expert Solution

Lead :

Soft
Highly malleable
Ductile
Poor conductor of electricity
Corrosion resistant
Low tensile strength of 12-17 MPa
High density of 11.3 g/cm³

Tin :

Corrosion resistant
Soft
Pilable
Non toxic
Ductile
Malleable
Low melting point
It used as oxidation-resistant in coating material

Silicon :

Second most abundant electro positive element
Very brittle
Non-metallic chemical element in carbon family
Hard
Dark grey solid with metallic lustre
Inactive at low temperatures
3 stable isotopes of silicon are : Silicon-28, Silicon-29 and Silicon-30

Arsenic :

Brittle
Well known poison
It under goes sublimation. That is when heated it changes to vapor from solid state.
Difficult to convert to water soluble and volatile products.
Low thermal and electrical conductivity
When heated in air it forms arsenic oxide by combining with oxygen
It rarely occurs as a pure element

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