Top answers

Chemistry
A Level

Why do group 3 metals form more acidic aqueous solutions than group 2 metals?

The equation of a metal ion forming a metal hexaaqua ion in aqueous solution is as fol...

Answered by Oliver W. Chemistry tutor
8368 Views

What is a mole?

In chemistry the mole (mol) is a basic unit to describe a quantity of substance based on the number of particles (atoms or molecules) that it contains.

The nu...

Answered by Tomos P. Chemistry tutor
3371 Views

What are the Key features of benzene?

  1. The electrons/ Pi bonds are delocalised2. It is made up of six Carbons in a ring with two rings of electon density above and below the plane of the ring.3. It has a lower electron density than alken...
Answered by Tabitha E. Chemistry tutor
6431 Views

How does the ionisation energy differ across period 2 from Li to Ne?

The ionisation energy across a period increases as the effective nuclear charge increases but the shielding stays the same.

14789 Views

What is nucleophile?

A nucleophile is a species which can donate a lone pair of electrons to an electron deficient species, known as an electrophile. By doing this, a chemical bond is formed.An example of a reaction involving...

Answered by Claire S. Chemistry tutor
6687 Views

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