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name the different allotropes of silicon?
The molecular structure of graphene differ from the other allotropes of carbon diamond and graphite in that graphene consist of a single layer of atoms.
ALLOTROPES are forms of an element where the atoms are arranged in different shapes and so they have different properties. The allotropes of carbon are diamond, graphite and buckyballs. Phosphorus has several allotropes (including white phosphorus and red phosphorus). Sulphur also has several allotropes. An alternative answer to the question is different atoms of the same element that have different atomic masses are called ISOTOPES.
Aluminium with atomic number 13 ie 13 protons has 14 neutrons within the nucleus. So its mass number is 27. Silicon too with atomic number 14 has 14 neutrons within. Why not? Even phosphorous with atomic number 15 has 14 neutrons. So it is an isotope that too radio active isotope. So it is very important to know about the number of protons to identify the element. But number of neutrons do differ leading to the formation of isotopes.
There are many allotropes of carbon, some are:Amorphous Carbon (No real structure to speak of)Diamond (Tetrahedral Crystalline Structure)Graphite (Hexagonal 'Graphene' Sheets)C-nanotubes (Cylindrical Graphene)Buckyballs (Spherical Graphene)Note that buckyballs and carbon nanotubes are templates of the 'fullerene family' of carbon allotropes, of which there are many.Another note: Soot is not an allotrope of carbon, it is a collection of particles left from the incomplete combustion of hydrocarbons. Carbon dioxide (CO2) is not an allotrope since it contains oxygen.
name the different allotropes of silicon?
The molecular structure of graphene differ from the other allotropes of carbon diamond and graphite in that graphene consist of a single layer of atoms.
Aluminium is a metal, silicon is a metalloid.
Silicon carbide consists of silicon and carbon, quartz consists of silicon and oxygen.
sulphur
they differ only in the number of neutrons.
minerals differ in appearance and texture
Yes ofcourse Hydrogen have two allotropes, Ortho hydrogen and para hydrogen. They differ only in having parallel and anti parallel nuclear spins. It was first observed by Heisenberg in 1927. BY RAJESH KUMAR GDC MPM SINDH PAKISTAN
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Allotropes have the same atomic number, number of protons, number of electrons, etc. but the chemical and physical properties may differ strongly.
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