Please enable JavaScript.
Coggle requires JavaScript to display documents.
C1- Atomic structure - Coggle Diagram
C1- Atomic structure
History
Democritus - 400 BC
"matter can't be continuously cut forever- the smallest thing in the universe is called an atom (unbreakable)"
-
Thompson - 1897
-
Plum pudding model (electron are like the chocolate chips on a cookie, and cookie is the positive mass)
-
-
-
Separating mixtures
-
Filtration
separate substances that are insoluble in a particular solvent from those that are soluble in the solvent
e.g. to separate sand and salt, add water to the mixture and filter in through filter paper. The dissolved salt is in the flask, and sand in the paper. Dry the sand in an oven to evaporate water and leave pure sand.
-
Crystallisation
e.g. to separate water from salt, you need to evaporate the water
-
-
-