9.02.6 Keywords

· Pure – every part is the same

· Element – contains only one type of atom

· Compound – more than one type of atom chemically bonded together

· Unadulterated – nothing has been added or remove (doesn’t mean pure)

· Solution – one substance dissolved in another

· Solvent – liquid that dissolves another substance to make a solution

· Solute – the substance that dissolves in the solvent to make a solution

· Soluble – can dissolve

· Insoluble – can’t dissolve

· Filtrate – the liquid that comes through a filter

· Residue – the solid that remains in the filter paper

· Chromatography – method for separating small amounts of mixtures

· Mobile phase – the part that moves during Chromatography (the solvent)

· Stationary phase – non-moving part in Chromatography (the paper)

· Solvent Front – how far the solvent rises on the paper during Chromatography

· Solubility – how well a substance dissolves