compund : a chemical combination of two or more elements.
chemical bond : a link that aoms or electrical charge particles can forms with each others.
chemical formual : a way of using letters an nubers to show how much of each element is in a substance.
ion : an electrical charge particle with unequal numbers of protons and electrons.
molecule : a group of abandoned atoms act like a single particle.
chemical properties : a way of discribing how a substance change chemicaly with other substance.
exothermic : a reaction that give the heat.
endothermic : a reactuion that absorbed heat.
debes de ser de la aipcv soy yo ana patricia quien ers? se que estas en 6
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