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ELEMENTS, Ch 4 Metals and Non metals, Read reactions, Read reactions -…
ELEMENTS
Non-Metals
17 elements
Occurence
Examples
Hydrogen
Carbon
Oxygen
Properties
Physical
state
Density
Malleability/Ductility
Thermal and electrical conductivity
Lusture
Hardness
Chemical
Reaction with Water (61)
Reation with Acids (pg 61)
Uses
Oxygen
Common uses of oxygen include production of steel, plastics and textiles, brazing, welding and cutting of steels and other metals, rocket propellant, oxygen therapy, and life support systems in aircraft, submarines, spaceflight and diving.
Carbon
Carbon is used in some way in most every industry in the world. It is used for fuel in the form of coal, methane gas, and crude oil (which is used to make gasoline). It is used to make all sorts of materials including plastics and alloys such as steel (a combination of carbon and iron).
Hydrogen
Hydrogen is used in the synthesis of ammonia and the manufacture of nitrogenous fertilizers.Hydrogenation of unsaturated vegetable oils for manufacturing vanaspati fat.It is used in the manufacture of many organic compounds, for example, methanol.
Nitrogen
Hydrogen is used in the synthesis of ammonia and the manufacture of nitrogenous fertilizers.Hydrogenation of unsaturated vegetable oils for manufacturing vanaspati fat.It is used in the manufacture of many organic compounds, for example, methanol.
Sulphur
Hydrogen is used in the synthesis of ammonia and the manufacture of nitrogenous fertilizers.Hydrogenation of unsaturated vegetable oils for manufacturing vanaspati fat.It is used in the manufacture of many organic compounds, for example, methanol.Hydrogen is used in the synthesis of ammonia and the manufacture of nitrogenous fertilizers.Hydrogenation of unsaturated vegetable oils for manufacturing vanaspati fat.It is used in the manufacture of many organic compounds, for example, methanol.
Metals
80 elements
Properties
Phisical
State
Hardness
Density
Conductivity
Melleability
Ductility
Melting and boiling point
Lusture
Sonority
Chemical
Reaction with oxygen (pg 53)
Reaction with Water (pg 54)
Reaction with salt solutions (pg 56)
Reation with dilute minerals (pg 55)
Occurence
Examples
Gold
Platinum
Iron
Calcium
Mercury
Prevention from rust/corrosion
Applying grease
Painting
Galvanisation
Alloying
Electroplating
Alloys
Increasing Hardness
Increasing resistance
Changing physical or chemicalproperties
Total 116 elements
Mettaloids
Ch 4 Metals and Non metals
Read reactions
Read reactions