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 difference between the energy absorbed to break bonds and the energy transferred to the surroundings when bonds form.
electrons that have become removed from the atom and form a âseaâ or region to which the...
molecule where the ratio of atoms is 1 : 5, for example PCl5
attracted to iron, cobalt or nickel, or forms a permanent or temporary magnetic field.
variation in a repetitive way as you move through the periodic table vertically or horizontally...
a group of organic compounds that can be represented by a general formula e.g. alkanes, alcohols...