( ( A ( balanced ( chemical equation ) ) ) ( ( has ( ( the ( same number ) ) ( of ( ( each type ) ( of ( atom ( on ( ( ( the ( product side ) ) and ) ( the ( reactant side ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ balanced) (NN chemical) (NN equation)) (VP (VBZ has) (NP (NP (DT the) (JJ same) (NN number)) (PP (IN of) (NP (NP (DT each) (NN type)) (PP (IN of) (NP (NP (NN atom)) (PP (IN on) (NP (NP (DT the) (NN product) (NN side)) (CC and) (NP (DT the) (JJ reactant) (NN side)))))))))) (. .)))
A balanced chemical equation has the same number of each type of atom on the product side and the reactant side.
(ROOT (S (NP (NNS Atoms)) (VP (VBP make) (NP (NNS products)) (PP (IN by) (S (VP (VBG rearranging) (NP (PRP$ their) (NN chemical) (NNS bonds)) (PP (IN in) (NP (DT a) (NN reactant))))))) (. .)))