1
a change caused by the interaction of two or more substances resulting in the formation of new substances
2
a representation of a compound in which the elements are represented by their symbols and subscripts represent the number of atoms of each element
3
the formation of a new substance with different properties; cannot be undone by physical means
4
representation of the name of an element; written as a capital letter or a capital letter followed by a lowercase letter(s)
5
change which alters the physical properties of a. substance without changing its identity
6
a substance that is not mixed with any other substance
7
the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula
8
the solid that is formed as a result of a precipitation reaction
9
a pure substance made by chemically combining two or more element; represented by a chemical formula
10
a pure substance that cannot be broken down chemically into simpler substances
