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Chemistry Vocabterms

Naiha Dhillon 10/4 homework assignment

Law of Conversion of Mass mass cannot be created or destoryed
physical change substances are not altered chemically
Element one of a class of substances that cannot be separated into simpler substances by chemical means
chemical change when a substance undergoes a chemical reaction and produces a new substance
Chemical Formula an expression in words or symbols that describes precisely a particular chemical change
Element molecule of only one type of element
Compound Molecule molecule that contains at least two different elements
Chemical equation representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product
Chemical reaction process that leads to the transformation of one set of chemical substances to another
Reactants substance that takes part in and undergoes change during a reaction
Products tells how many atoms of that element are in a molecule or formula
Coefficent number before molecule indicating how many
Subsctipt tells how many atoms of that element are in a molecule or formula
Diatomic molecule molecules composed only of two atoms, of either the same or different chemical elements
Created by: naiha d.