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Structure and Bonding (Covalent bonding (2) (oxygen, methane, hydrogen…
Structure and Bonding
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Halogens
chlorine = green, gas, -34c bp
Bromine = red-brown, liquid, 59c bp
Iodine = dark grey, solid, 185c bp
Gets darker, gas --> solid, bp gets higher, more reactive
Carbon Structures
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Graphite, charcoal and diamond are allotropes of carbon
Diamond
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A lot of energy is required to separate the atoms. The covalent bonds are strong. This means that more energy is required to break the bonds = high mp and bp
Drill tips, cutting tools
Graphite
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A lot of energy is required to separate the atoms. The covalent bonds are strong. This means that more energy is required to break the bonds = high mp and bp
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