Catégories : Tous - diagram - charges - ionic - covalent

par Kelvin Liew Il y a 12 années

291

Bonding (Kelvin,HongHwee,Shaun)

Atoms can bond in different ways to form compounds. Covalent bonding involves sharing electrons between atoms, resulting in a molecule, which is a group of atoms held together by these bonds.

Bonding (Kelvin,HongHwee,Shaun)

Bonding (Kelvin,HongHwee,Shaun)

Covalent bonding

A molecule is a group of two or more atoms held together by covalent bonds
THe bond formed between atoms that share electrons is called a covalent bond.

Ionic Bonding

Chemical formula
All the positive charges must euqal all the negative charges in an ionic compunds.
We show ionic bonding by using the dot and cross diagram
When metals react with non metals , an ionic compund is formed.
3 steps to form an ionic compund
1st step : Formation of positive ions

2nd step:formation of negative ions

3rd step : formation of ionic bond