Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
the initial step needed to start polymerisation.
bonds that form between the hydrogen atom of one molecule and an oxygen, nitrogen or fluorine...
a reaction in which more energy or heat is released than absorbed when the reaction takes...
a material that has intermediate electrical conductivity that can be changed and controlled. It...
when a nucleus is unstable and emits particles and energy.