Top answers

Chemistry
A Level

State the meaning of the term first ionisation energy

Energy (or enthalpy) needed to remove one electron from one atom.

AE
Answered by Azobir E. Chemistry tutor
2227 Views

What is a transition metal complex?

A transition metal complex is a central metal ion (for example platinum) surrounded by ligands.  Ligands are ions or small molecules that donate a pair of electrons to the central metal ion and surround i...

JB
Answered by Jessica B. Chemistry tutor
3066 Views

What is the electronic configuration for Sulphur?

So firstly, the first two columns in the periodic table are classed as the 's' group, the next 10 groups/columns, which are the transition metals are called the 'd' group, the last 6 colums are classified...

MO
Answered by Mercy O. Chemistry tutor
26172 Views

Which liquid would you expect to have a higher boiling point, Bromine (Br2) or Iodine I2)? Explain your answer.

Correct answer: Iodine .  The asymetirc distribution of electrons leading to an instantaneous dipole would be greater for Iodine than Bormine as it has a higher number of electrons surrounding it's nucleu...

JW
Answered by Jack W. Chemistry tutor
7620 Views

What stabilizes a carbocation in a nucleophilic substitution reactions?

Essentially, it is the adjacent atoms or groups attached to the central carbon atom which have the ability to stabilise or destabilise a carbocation. The formation of this carbocation is what determines t...

AH
Answered by Alfie H. Chemistry tutor
3376 Views

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