Top answers

Chemistry
All levels

I do not understand Le Chatelier's Principle - please help!

LeChaterlier's principle states: 'If a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium moves to counteract the change'. In short, this helps us to work out HOW cha...

JS
Answered by James S. Chemistry tutor
3109 Views

How does aromatic electrophilic substitution work?

First, let's have a look at all the clues in the name. Aromatic - this type of reaction is characteristic for aromatic compounds because it involves the aromatic ring. It is the only type of electrophilic...

KS
Answered by Karol S. Chemistry tutor
2295 Views

Why does nuclear radius decrease and first ionisation energy increase across the period?

As we move across the period electrons occupy the same outer electron shell, having roughly the same distance to the nucleus. Moving across the period nuclear charge increases as the number of protons in ...

JM
Answered by James M. Chemistry tutor
3231 Views

Magnesium chloride is an ionic compound and has a high melting point. Explain why magnesium chloride has a high melting point?

Magnesium atoms lose two electrons from its outer shell, thus form positvely charged ions with a charge of 2+. These 2 electrons are transferred to and gained by a diatomic molecule of chlorine atoms - ea...

HS
Answered by Heaja S. Chemistry tutor
34874 Views

Describe the bonding and structure in solid sodium chloride

It is a giant lattice structure. Sodium ions (Na+) are positively charged and chloride ions (Cl-) are negatively charged. There is ionic bonding between - strong electrosatic forces of attraction between ...

AK
Answered by Arushan K. Chemistry tutor
7084 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:

© 2025 by IXL Learning