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Carbon Atom’s Electronic structure
L-shell(4 e- )
K-shell(2 e- )
Nucleus6 Neutrons &
6 Protons
Atomic No. 6
Importance of Carbon:- Tetravalency…..
Atomic No. :- 6 Electronic Configuration :- 2,4
Thus, Valency :- 4
c
.
..
.
Importance of Carbon:- Isomerism (Property of making Isomers):-
Isomers; Same Molecular Formula but different Structure.
For eg:-
C6H12O6 (Glucose)
C6H12O6 (Fructose)
GlucoseFructose
Allotropes of Carbon:- Various forms in which Carbon exists
in pure form in Nature.
Diamond
Properties:-
Excellent Brilliance.
A Transparent Object.
Bad Conductor of Electricity.
High Melting Point .
Made up of Carbon atoms only.
Hardest substance in the World.
Can be cut with the help of Another Diamond only.
Allotropes of Carbon:- Various forms in which Carbon exists
in pure form in Nature.
Diamond
Structure:-
Tetrahedral structure.
1C linked with 4C
Linked with strong Covalent bonds.
A Continuous chain of Carbon atoms.
Allotropes of Carbon:- Various forms in which Carbon exists
in pure form in Nature.
Graphite
Properties:-
An Opaque Object.
Good Conductor of Electricity.
High Melting Point .
Made up of Carbon atoms only.
Liberates Carbon dioxide when heated.
Allotropes of Carbon:- Various forms in which Carbon exists
in pure form in Nature.
Graphite
Structure:-
Structured in Layers.
1C, linked with 3C.
Layers, connected with weak Vander wal Forces.
Allotropes of Carbon:- Various forms in which Carbon exists
in pure form in Nature.
Buckminster fullerene
Properties:-
Black solid at room temperature.
Doesn’t conducts electricity.
Insoluble in Water.
Soluble in Petrol.
* Has been named after a great American Architect “Buckminster”
Allotropes of Carbon:- Various forms in which Carbon exists
in pure form in Nature.
Buckminster fullereneStructure:-
Football shaped
Fixed number of Carbon atoms.
Eg:-
C60
20 Hexagons and 12 Pentagons