Chemistry Atomic Structure
- Created by: Leila15
- Created on: 25-04-20 15:19
Atoms-smallest part of an element
Atoms of elements are showed by their chemical symbol:
-consists of one or two letters
-Starts with capital letter, with any other lower case
Compunds-made up of at least 2 different elements e.g. H20
Chemical Reactions
-compounds can be formed and broken
-new substances are created
-measurable energy change
-No atoms are created or destroyed
Reactants are chemicals reacting with each other
Products are chemicals that are being made
Mixtures- are 2 or more substances that haven't combined chemically
separation Techniques
Chromatography
-separates solutions with a number of different solutes(solids) in the solvent(liquid)
-place a drop of solution to be separeted near the bottom of a piece of chromatography paper
-Dip the very bottom of the paper into a suitable solvent
- The solvent moves up the paper and carries the solutes in…
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