Carbon and its allotropes
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Transcript of Carbon and its allotropes
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Holiday Homework
On
Carbon And Its AllotropesBY : - PRITAM GHANGHAS
K. ROHITASHOK BISHNOI
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CARBON Carbon belongs to the group
IV of the periodic table. It has four electrons in its
outermost orbit, so its valency is four.
Carbon is a non-metal.
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ALLOTROPES OF CARBON
In nature, pure carbon occur in two forms-
Diamond Graphite
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WHAT ARE ALLOTROPES ?
The various physical forms in which element can exist are called allotropes of that element.
Diamond and Graphite – two allotropes of carbon differ in their physical properties.
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PHYSICAL PROPERTIES OF DIAMOND AND GRAPHITE
Property Diamond GraphiteAppearance Transparent Black, Shiny
Hardness Very Hard Soft, slippery to touch
Thermal Conductivity
Very poor moderate
Electrical Conductivity
Poor Good conductor
Uses Jewellery, drilling
Dry cell, electric arc, lubricant, pencil lead
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WHY THE PHYSICAL PROPERTIES OF DIAMOND AND GRAPHITE ARE SO DIFFERENT?
Due to the difference in the arrangement of carbon atoms in diamond and graphite
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There is also an another allotropeBuckminsterfullere
ne Its structure is much like a football.
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Thankyou……