I personally belived that this final chapter of form 5 is much easier than chapter 3. All u need is to do lots of reading plus some memorizing stuff. Ok, whats important in this chapter?
First of all make sure u know the structure of an atom & how to write its nuclide notation. Then u must be able to define the following:
Radioactivity?
Radioactivve decay?
Radioisotope?
Half life??..(ops not the one u played in the video game)
Do i need to provide the definition..well,i dont think so, coz its all in your book. Take it out and memorise them b4 your trial exam..
Next what's important??
If u understood the concept of radioactivity..there are 3 common type of radiation that we learned in SPM. They are alpha particle, beta particle& gamma ray. You must be able to identify which detector can be used to detect these radiation. Besides that, for each radiation, u need to memorise and differentiate their characteristic such as:
1. its nature,e.g alpha exist as helium nucleus with nuclide notation He4/2
2. penetrating power
3. ionising power
4. track pattern in cloud chamber.
5. effect of electric field
6. effect of magnetic field
Again i will not elaborate further coz its all in your book. If u dont read then u have a hard time to memorize them. However i 'm providing u with some useful videos from the net.. so u can get clearer picture about alpha, beta & gamma.
