Top answers

Chemistry
All levels

i)Give the Correct full electronic configuration for the Mg2+ ion, ii) and state why it is easier to form the 2+ state for Mg than Ben

Mg electronic configuration - [Ne] 3s2, 2+ charge - 2 Electrons removed, Mg2+ configuration - [Ne] - 1s2 2s2 2p6
Be is directly above Mg in the periodic table, meaning Be has its valence electrons in...

Answered by Chemistry tutor
9891 Views

Why do metals have high melting points?

Mettalic bonding involves a giant lattice of ions surrounded by a sea of electrons. A lot of energy is needed to overcome the strong bonds between these positive ions and negative electrons.

MD
Answered by Mo D. Chemistry tutor
13713 Views

Why are some complex ions coloured?

Ligands causes d orbitals to split. Electrons get excited to higher energy levels from ground state. Visible light is absorbed to promote electron to a higher energy leve...

JO
Answered by Juliet O. Chemistry tutor
2608 Views

Why is Phenol more reactive than Benzene in electrophilic substitution reactions?

Phenol has the -OH group and the oxygen has a lone pair of electrons which are donated into the Benzene ring and activate the ring which make it more sus...

JO
Answered by Juliet O. Chemistry tutor
10243 Views

How does free radical substitution work?

(This explanation would make use of diagrams on a whiteboard)It is useful to break this down into three steps: 1- the initiation step. Let's take the reaction between Cl2 and CH4.

TH
Answered by Tom H. Chemistry tutor
2404 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning