ELEMENTS, COMPOUNDS AND MIXTURES Flashcards
What is filtration
It is a separation technique which sperates an insoluble soild from a liquid
What is a compound
2 or more atoms chemically bonded together
What is an element
An element is a substance which is made up of only 1 type of atom
What is a mixture
They are made up of elements and/ or compounds jumbled together
What is condensation
When a gas becomes a liquid
What is evaporation
When a liquid becomes a gas
What is crytliztaon
Is used to separate a dissolved soild from a liquid
What is a molecule
A group of atoms convaletly bonded together
What is chromatography
A technique used to separate mixtures of inks or dyes
What is definite composition
Chemical compounds always contain its component elements in a fixed ratio
How can you separate compounds
With a chemical reaction taking place
Are compounds the the same or different to the elements they are composed of?
Diffrent
Name the 3 practicals we did
1- filterization and crystlization
2- simple distillation
3- chromatography
