Key Terms Paper 1 Flashcards
(11 cards)
Define sublimation
When a substance changes state directly from a solid to a gas without first becoming a liquid by melting
sublimation starts solid because the word starts with an ‘s’
Define filtration
A separation technique used to separate an insoluble solid from a liquid using a filter paper
Define crystallisation
Define chromatography
Define solute
Define soluble
Define insoluble
Define solvent
Define displayed formula
The 2D representaion of molecules showing covalent atoms (as their element symbol) and covalent bonds (as lines)
Define ductile
A structure can be drawn into a wire
Similar to pliable and malleable (although malleable means can be hammered into shape)
Define malleable
Can be hammered into shape