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By definition, all transition metal ions have d orbitals. These are normally degenerate, lying at the same energy level as there is nothing to break the symmetry.

However, in the presence...

Sometimes two molecules can exist as non-superimposable mirror-images. That is to say, the mirror image of a molecule cannot be exactly placed on top of the original molecule.

A good exam...

In chemical reactions entropy can be considered to be a measure of the number of ways which molecules and their quanta of energy can be arranged and is measured in J K^-1 mol^-1.For a ...

Structural isomers are compounds with the same molecular formula but different structural formulae. They can be :1. Carbon chain isomers that differ in the length of the ...

1. Assign priority to the four groups attached to the double bond, by adding up their atomic numbers.

2. Work out which are the two highest priority (highest atomic number) - one on each ...