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CBSE Class 12-science Answered

What is meant by a Buckminster Fullerene?
Asked by Topperlearning User | 17 Jun, 2016, 09:56: AM
answered-by-expert Expert Answer

A Fullerene is an allotrope of carbon in a spherical shape with 60, 70 or 80 carbon atoms.

Answered by | 17 Jun, 2016, 11:56: AM

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CBSE 12-science - Chemistry
give a relationship between nearest neighbour distance(d),radius of atom(r), edge  of unit cell(a), for fcc and BCC crystal
Asked by ap996969 | 24 Jan, 2019, 07:08: PM
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CBSE 12-science - Chemistry
what is the number of octahedral sites per sphere in a f.c.c. structure.
Asked by shivamsaraswat484 | 23 Mar, 2018, 09:37: PM
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CBSE 12-science - Chemistry
Show that edge centered cube and body centered cube has 2 atoms.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
Calculate formulas if atom A forms ccp, B occupies ½ tetrahedral void & atom C occupies all octahedral void.
Asked by Topperlearning User | 01 Apr, 2014, 01:38: PM
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CBSE 12-science - Chemistry
Ferric oxide crystalises as hexagonal close packing array of oxide ion two out of every three one octaheddral holes is occupied by ferric ions.derive the formula of ferric oxide .
Asked by Topperlearning User | 17 Jun, 2016, 10:00: AM
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CBSE 12-science - Chemistry
How do we identify primitive and centered cell.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
Distinguish between Triclinic and monoclinic unit cell.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
Name all the primitive unit cell in which all 3 sides are different.
Asked by Topperlearning User | 17 Jun, 2016, 10:11: AM
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CBSE 12-science - Chemistry
Element crystallizes as BCC. How many atom will be present in the unit cell of the element.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Chemistry
Aluminium crystallizes as FCC. Calculate number of atoms that wil be present in the unit cell.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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