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IB Stoichiometry 1.1

fundamental concepts

Mixtures a substance that consists of a number of different particles, not chemically combined.
Properties of Mixtures each component has its own separate physical and chemical properties and therefore making it easy to separate by physical means.
Pure substances can... be further subdivided into elements and compounds
Elements contain..... and..... only one type of atom and cannot be split up into simpler substances by chemical means
Atoms are the smallest particles present in an element
Compounds are made up of particles (of the same type) which are made up of different types of atoms chemically bonded together.
Properties of compounds are usually totally different from those of its component elements
Molecules are a small group of atoms joined together by covalent bonds
Created by: 1392166876