Top answers

What is the definition of a Brownsted-Lowry acid?

A substance that donates a proton (H+)
SR
3155 Views

Explain why transition metal compounds are often coloured in solution.

The valence electrons of transition metals are found in d-orbitals. When the metal ion forms a complex with ligands the d-orbitals split into two different energy levels, and the gap between these levels hap...
PD
Answered by Patrick D. • Chemistry tutor
12062 Views

What is the difference between covalent and dative covalent bonds?

These two types of bonding are very similar and so can easily be confused however this question specifically wants the difference between them. Covalent bonding occurs when a pair of nuclei share a pair of e...
CH
50171 Views

What happens to the melting and boiling points of the halogens as you go down the group?

The boiling points of the elements in Group 7 tend to increase as you go down the group because the molecules get larger and the intermolecular forces get stronger.
RB
Answered by Rytis B. • Chemistry tutor
10756 Views

How to we increase the rate of a reaction?

A reaction will occur if two reactants collide with each other with enough energy to overcome the 'activation energy'. The activation energy is the minimum amount of energy the reactant particles need in ord...
MD
Answered by Megan D. • Chemistry tutor
6140 Views