To Sec 2A, 2B, 2C.
TOPIC 5) Checklist 5c) BALANCING CHEMICAL EQUATIONS
Beginner level
http://funbasedlearning.com/chemistry/chemBalancer/default.htm
Advance level
http://funbasedlearning.com/chemistry/chemBalancer3/default.htm
To Sec 2A, 2B and 2C.
This week is chemistry revision week. Before I start, you can use the following websites for self revision to recall what is Periodic table, proton number, mass number and electrons and etc...
1) What is a periodic table
Beginner level: Identifying elements in the periodic table
http://www.funbrain.com/periodic/index.html
Get to know more about each of the elements
http://www.webelements.com/
What does the position in th periodic table mean?
http://www.glencoe.com/sites/common_assets/science/virtual_labs/E19/E19.html
What is an atom?
http://www.learner.org/interactives/periodic/basics.html
2) What are atomic number (or mass number), proton number and number of electrons
Good explanation and quiz
http://www.wisc-online.com/Objects/ViewObject.aspx?ID=GCH3404
3) What are ions and bonding.
Salt if NaCl. A sodium atom becomes an positive ion and chlorine becomes negative ion and join together to form NaCl (Salt).
http://www.wisc-online.com/Objects/ViewObject.aspx?ID=GCH2204
4) How to balance Chemical Equation.
Beginner level
http://funbasedlearning.com/chemistry/chemBalancer/default.htm
http://www.learner.org/interactives/periodic/groups_interactive.html
Advance level
http://funbasedlearning.com/chemistry/chemBalancer3/default.htm
More advanced explanation
http://www.wisc-online.com/Objects/ViewObject.aspx?ID=GCH603
