Unit 3 Chemical calculation

 Chemical calculation

Valency

           



    





Fe2+

Fe3+ 

https://www.youtube.com/watch?v=4zhApkXpbqo

https://www.youtube.com/watch?v=HMP7pETK-9g

https://www.youtube.com/watch?v=9MgvVMAAoBQ

https://www.youtube.com/watch?v=NTB6QLSWHNk&feature=share

oxidation reduction reaction

https://www.periodni.com/balancing_redox_equations.php

 

Chemical Formulas and Basic Chemical Equations

 

Chemical Formulas and Basic Chemical Equations