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A. Chan Science voc

Chemistry cards

Law of conservation of mass A fundamental principal in classic physics that matter cannot be created nor destroyed
Physical Change A change in state of matter such as solid, liquid, or gas that does not affect chemical composition
Chemical Change a reaction that causes the substances molecular and or atomic composition to change
Element A substance that cannot be separated into simpler substances and appears on the Periodic Table of Elements
Element (diatomic) Molecule A molecule consisting of two atoms of the same element
Compound Molecule Two or more atoms of the same or different elements that are chemically combined
Chemical Reaction A process in which the atoms or molecular structure of a substance is changed
Chemical Equation A symbolic representation of a chemical reaction where the reactants are given on the left side and the product on the right side
Reactants A substance(s) that takes part in a chemical change in a chemical reaction
Products A substance produced by a chemical reaction
Coefficient A number placed in front of a term in a chemical equation that represents how many molecules of that substance is there
Subscript A small number that is written after an element's symbol to signify that there are that number of those atoms in that particular molecule
Ionic Compound A chemical compound in which the ions are held together in a lattice structure of ionic bonds
Covalent Compound A compound that contains more than one element metal
Metallic Coumpound A compound that contains more than one element metal
Syntheseis The purposeful use of a chemical reaction to obtain a product or products
Decomposition Separation of a compound into simpler compounds or elements
Single Replacement A chemical reaction in which one element replaces another in a compound
Double Replacement A chemical reaction in which the reactants recombine to form two new compounds which have one element from each reactant
Chemical Formula A representation of a substance using symbols
Created by: c1109964