Fact 1: Chemical bonds form when substances react with one another.

Fact 2: Chemical Bonding A chemical bond is the sharing or transfer of electrons.

Given the two facts above, answer the question "How do substances react with each other?" with the following options: 
- competing for resources
 - heat or cold
 - oxidation reaction
 - electrically
 - sharing electrons
 - evaporation
 - Temperature changing
 - adding heat


 

     sharing electrons    