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Chemical Reactions Vocabulary
the study of the properties of matter and how matter changes
changes that alter the form or appearance of a material but not a new substance
a change to matter that produces a new substance with new properties
the smallest particle of an element
the combination of two or more bonded atoms
the force that holds atoms together
a short, easy way to show a chemical reaction, using symbols instead of words
represent elements using one or two letters
shows the ratio of elements in the compound
shows the number of atoms of an element in one molecule of a substance
the materials you have at the beginning of a reaction
the materials you have at the end of a reaction
arrow in a reaction which means "produces"
law of conservation of mass or matter
during a chemical reaction, matter is not created or destroyed; it is only changed