An allotrope is a form in which an element exists. Generally these are relatively large molecules composed of a single element. For example diamond is a carbon allotrope in which the structure is set up on a lattice (similar to crystalline structure) while graphite is composed of layers of carbon atoms arranged in a hexagonal pattern, also buckminster fullerenes are an allotrope of carbon made of 60 carbon that form a structure with geometry equal to that of a soccer ball. By contrast, an isotope is a certain form of an element with a specific number of neutrons that varies from another form with a different number of neutrons. To illustrate this principle one must understand that there are three basic subatomic particles that compose all atoms: protons, electrons, and neutrons. The number of protons (which is usually balanced by an equal number of electrons) determine the atomic number and thus the identity of the atom. For example, carbon has the natural occurring carbon 12, 13, and 14 isotopes. This means that each isotope has 12, 13 , and 14 neutrons respectively. Generally, unstable isotopes are characterized by radioactivity.
In short, allotropes of of an element differ on the structure of the same atoms, (i.e. how the atoms are arranged), while isotopes of the element differ on the number of neutrons of the atoms (i.e. the composition of subatomic particles in an atom).
OR, may be simply:
Allotropes are different forms of a 'compound' whereas Isotopes are different forms of an 'atom'
Graphite is an allotrope of carbon.Nanonotubes can be made from many other materials.
These isotopes have a different number of neutrons.An isomer C-12m doesn't exist; the isotope is C-12.
allotrope
Yes, ozone is an allotrope. It is the triatomic form of oxygen.
No water is not an allotrope and it can not have allotropes because it is not an element.
isomer
describe a chemical test you would use to show the difference between an isomer and a homologous series
An isomer is a molecule with the same chemical formula but different structural arrangement of atoms. A constitutional isomer is a type of isomer where the atoms are connected in a different order.
Is known as an Isomer.====Answer 2An isomer is a variation of a compound with a different chemical structure.Carbon, by itself, of course is an element and not a compound. Thus I believe that this is known as an allotrope of carbon and not an isomer. Graphite and diamond are allotropes of carbon as the arrangement of the atoms differs.
Graphite is an allotrope of carbon.Nanonotubes can be made from many other materials.
The d isomer and l isomer of a compound are mirror images of each other, known as enantiomers. They have the same chemical formula and structure but differ in their spatial arrangement of atoms. This difference can affect their biological activity and how they interact with other molecules in the body.
D and L are optical isomer of each other, or non superimposible mirror images. The convention uses Glyceraldhyde as the reference. In a fisher projection the OH of glyceraldehyde is on the right side ( more improtantly in the R configuration)in the D isomer and on the left side ( or the molecule is in the L configuration) in the L isomer. So for all other sugars it looks at the last chiral center for the molecule if the chiral center is R it is a D isomer if the last chiral center is in the S configuration it is an L isomer.
In organic chemistry, the difference between the chair conformations of cis and trans isomers lies in the orientation of substituents on the cyclohexane ring. In the cis isomer, the substituents are on the same side of the ring, leading to steric hindrance and potential clashes. In the trans isomer, the substituents are on opposite sides, resulting in a more stable conformation with less steric hindrance.
Esomeprazole is an isomer of omeprazole.
These isotopes have a different number of neutrons.An isomer C-12m doesn't exist; the isotope is C-12.
Hexane is a hydrocarbon with the chemical formula C6H14. n-hexane is the unbranched isomer of hexane as there exists four more branched isomers of hexane
Diamond is an allotrope of carbon.