simple molecular compounds. giant covalent structures lo: describe the structures of 2 giant...
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Simple molecular compoundsSimple molecular compoundsSimple molecular compoundsSimple molecular compounds
Simple molecular compounds
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Giant covalent structuresLO:
Describe the structures of 2 giant covalent structures (D)
Explain the properties of 2 giant covalent structures (C)
Compare the properties of allotropes of carbon (B)
Explain the differences in the properties of allotropes of carbon (A/A*)
Starter
Draw the structure of carbon that is covalently bonded to 4 other carbons.
Based on this what would happen if you continued to do this ?
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C
C
C
C C
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Allotrope
The same element arranged into different structures.
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List uses of diamond
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PropertiesGraphite Diamond
Colour
Brittleness
Hardness
Conductivity
Sublimation
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DiamondDiamondDiamondDiamond
Diamond
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GraphiteGraphiteGraphiteGraphite
Graphite
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Diamond – Each carbon is attached to 4 other carbons in a giant covalent structure. This means it has a high melting point, is very hard and insoluble in water.
Graphite – Each carbon is attached to 3 other carbons. These make hexagons that are in layers. The layers can slide on each other making graphite soft and slippery.
There are delocalised electrons between the layers which means that graphite will conduct electricity, but only in one direction.
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Silicon dioxide
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Fullerenes
Discovered in 1985. Scientists can put other chemicals inside the cage. They can be used in nanoscience to deliver drugs to certain parts of the body, as catalysts or lubricants.
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Bonding SummaryBonding SummaryBonding SummaryBonding Summary
Bonding Summary
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QuizQuizQuizQuiz
Quiz
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WordsearchWordsearchWordsearchWordsearch
Wordsearch
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Produce a diagram
That describes the structure of giant covalent molecules and explains the properties in terms of the structures.
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