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 levels of energy in which electrons move and which have fixed amounts of energy.
a diagram that shows the electrons in the outermost occupied shell of an atom as dots or crosses...
rechargeable cells, such as the lead acid accumulator used in motor vehicles.
the elimination of a hydrogen halide, such as hydrogen bromide, from a halo-alkane.
a substance that can donate or accept a proton. It can act as an acid or a base.