Sabtu, 6 Ogos 2016

Chapter 4: Dative Bond

A covalent bond is formed by two atoms sharing a pair of electrons. The atoms are held together because the electron pair is attracted by both of the nuclei.

In the formation of a simple covalent bond, each atom supplies one electron to the bond - but that doesn't have to be the case. A co-ordinate bond (also called a da

(Dative covalent bond) is a covalent bond (a shared pair of electrons) in which both electrons come from the same atom.

Representing co-ordinate bonds

In simple diagrams, a co-ordinate bond is shown by an arrow. The arrow points from the atom donating the lone pair to the atom accepting it.



Example:
Ammonium ion