EXAMPLES OF CHEMICAL REACTIONS
SYNTHESIS/COMPOSITION 2H2 + O2 à 2H2O
DECOMPOSITION 2KClO3 à 2KCl + 3O2
SINGLE REPLACEMENT 2Al + 3NiBr3 à 2AlBr3 + 3Ni
DOUBLE REPLACEMENT AgNO3 + KCl à AgCl + KNO3
VOCABULARY
CHEMICAL FORMULA – a shorthand way to show a compound or molecule
CHEMICAL EQUATION – shorthand description of a chemical reaction
CHEMICAL REACTION – the process of when substances undergo changes to produce new substances
REACTANTS – what you begin with in a chemical reaction
PRODUCTS – what you end with in a chemical reaction
SYNTHESIS/COMPOSITION REACTION – when you begin with two or more simple substance and produce a complex substance
DECOMPOSITION REACTION – when you begin with a complex substance and produce two or more simple substances
SINGLE-REPLACEMENT REACTION – when a single element switches places with an element in a compound
DOUBLE-REPLACEMENT REACTION - when a two elements switch places with each other in a two compounds
IONIC BOND – bonding between a metal and a non-metal when electrons are transferred from the metal to the non-metal
COVALENT BOND – bonding between non-metals when electron pairs are shared
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