Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
Système International dâUnités. Internationally agreed coherent system of units: distance in metre (m), mass in kilogram (kg), time in second (s), current strength in ampere (A), temperature in kelvin (K), quantity of a substance in mole (mol) and strength of light in candela (cd) etc.
the nucleus is divided into fragments of roughly equal size.
a crystal lattice of positive kernels in a sea of delocalised electrons to which they are...
a process whereby molecules combine automatically to form new ions as in the case of water.
two electrons paired in the electron configuration diagram of an atom.