Top answers

Chemistry
All levels

(Chemistry A-level) What is a dative covalent bond?

A dative covalent bond, or coordinate bond, is a bond where there is 1 pair of shared electrons between two atoms. The difference relative to a covalent bond is that in a dative covalent bond these electr...

OB
Answered by Oliver B. Chemistry tutor
86850 Views

What is the trend in first ionisation energy across a period?

Overall, the general trend is an increase across the period.

The decrease in shielding (as outer electrons are less influenced by the nucleus) is outweighed by an increased nuclear charge...

BW
Answered by Ben W. Chemistry tutor
12448 Views

What is hybridisation?

Hybridisation is a chemical phenomenon that occurs in certain atoms, whereby atomic orbitals 'mix' or 'hybridise' from their usual arrangement to form a more energetically-favourable orbital arrangement. ...

LH
Answered by Liam H. Chemistry tutor
23539 Views

What is a coordinate bond?

A coordinate bond is a covalent bond in which both the electrons in the shared pair are donated from one atom (the donor). The properties of the covalent bond are exactly the same as a no...

SG
Answered by Shannon G. Chemistry tutor
4172 Views

What is observed in the reaction between an acid and a carbonate?

Acids are substances that dissolve in water to generate an excess of Hions. They react with bases to produce a salt and water. With metal carbonates, products include a salt of that metal (de...

SG
Answered by Shannon G. Chemistry tutor
18962 Views

We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences