Introduction to Engineering Materials |
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Page 23
... Covalent bond In covalent bonding the stable arrangement of eight electrons in an outer shell is achieved by a process of electron sharing rather than electron transfer . In the case of chlorine , for example , individual atoms combine ...
... Covalent bond In covalent bonding the stable arrangement of eight electrons in an outer shell is achieved by a process of electron sharing rather than electron transfer . In the case of chlorine , for example , individual atoms combine ...
Page 24
V. B. John. Where covalent bonding takes place between atoms of different elements , the resultant molecule may be polarised to some extent . In the case of water , H2O , covalent bonds exist between the oxygen atom and each hydrogen ...
V. B. John. Where covalent bonding takes place between atoms of different elements , the resultant molecule may be polarised to some extent . In the case of water , H2O , covalent bonds exist between the oxygen atom and each hydrogen ...
Page 25
V. B. John. Not all bonds in organic molecules need be of the single covalent type . Multiple bonding is also possible . Consider the three compounds ethane , C2H6 , ethylene , C2H4 , and acetylene , C2 H2 . Ethane has single covalent bonds ...
V. B. John. Not all bonds in organic molecules need be of the single covalent type . Multiple bonding is also possible . Consider the three compounds ethane , C2H6 , ethylene , C2H4 , and acetylene , C2 H2 . Ethane has single covalent bonds ...
Contents
Atomic structure | 3 |
Constitution | 6 |
Bonding between atoms | 20 |
Copyright | |
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alloys aluminium annealing anode applied austenite body centred cubic brittle carbide carbon steel casting cathode cent ceramics chemical chromium combustion component composition compounds compression containing cooling copper corrosion covalent bond crack creep crystal crystalline curve defects density diagram dislocation ductile elastic electrical electrolyte electrons elements energy example face centred cubic fatigue ferrite fibre Figure filler fracture furnace galvanic cell gauge length give grain hard hardening heat treatment hydrogen increase ingot ions iron kg/m³ lattice layer liquid metal load machining martensite material mild steel MN/m² modulus molecules mould nickel nitride occur oxide oxygen particles pearlite phase planes plastic deformation polymer polymerisation possess powder produced properties radiation reaction resin resistance rolling Section shape shell silica silicon slag solder solid solution strain stress structure surface Table tensile strength termed test-piece thermoplastic Thorium unit cell valency welding work-piece Young's modulus zinc