Science abstract background
Palabras clave
atom,
molecular,
reaction,
solution,
acid,
footed,
ph,
catalyst,
compound,
element,
mixture,
massa,
density,
volume,
energy,
equilibrium,
pressure,
solid,
liquid,
plasma,
phase,
polymer,
covalent,
ionic,
hydrogen,
oxygen,
nitrogen,
carbon,
sulfur,
metal,
periodic,
table,
period,
group,
atomic,
nucleus,
electron,
proton,
neutron,
indicator,
entropy