chemical reactions Flashcards
what is a chemical reaction?
a process in which one or more substances are changed to form new chemical substances with different physical and chemical properties
what are the reactants?
the starting material(s) for the chemical reaction
what are the products?
the new substance(s) produced in a chemical reaction
chemical reactions can be written as _____ or ______
words / chemical formula
reactants go on the ____ side, products go on the ____ side
left / right
the arrow ( => ) means _____ or ____________
yields / reacts to produce
the plus sign ( + ) means ____
and
what do you have to do before figuring out the skeleton equation?
the chemical formula for each chemical
is the crisscross rule used?
yes