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Chemical Reactions

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