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law of conservation of mass fundamental principle or science stating that mass cannot be created or destroyed
reactant present before a chemical reaction occurs
ionic bonds chemical bond in which one atom gives up electrons.
covalent bond chemical link between 2 atoms that share electrons
compound combination of 2 or more elements
subscript symbol, usually a letter or a number placed below and to the right of a character
coefficent a number placed in front of a formula to indicate the number of molecules present
balanced chemical equation mathematical representation of a chemical process
chemical formula set of symbols used to describe the elements within a substance
product substance that is formed during a chemical reaction
C = no subscript and 1 carbon atom
balancing equations equal number of atoms on both sides.
unbalanced equation change the coefficient to make all atoms equal
step 1 count the number of atoms of each element
step 2 check to see if they are all balanced
step 3 change the coefficient until all are balanced
arrow represents the chemical equation
Created by: dere.ana