Here is a great link to practice single displacement reactions and to develp an activity series for metals.
http://www.jdenuno.com/Chemistry/Labs/MetalReactivity.swf
Balancing Help? check this website out to practice and get immediate feedback
http://funbasedlearning.com/chemistry/chemBalancer/default.htm
Need help with MOLES? check this website out from KHAN academy!
https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiometry
http://www.jdenuno.com/Chemistry/Labs/MetalReactivity.swf
Balancing Help? check this website out to practice and get immediate feedback
http://funbasedlearning.com/chemistry/chemBalancer/default.htm
Need help with MOLES? check this website out from KHAN academy!
https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiometry