Vocabulary
element, solid, liquid, gas, proton, electron, neutron, native element, noble gas, periodic table, matter, atom, molecule, bond, isotopes, protons, neutrons, electrons, element, mass number, average atomic mass, stable, unstable, symbol, abundance, percent composition, isotopes, protons, neutrons, electrons, element, mass number, atomic mass, stable, unstable, symbol, abundance, protons, neutrons, electrons, element, net charge, mass number, neutral, ion, stable, unstable, symbol, orbits, cloud, protons, neutrons, electrons, element, net charge, mass number, neutral, ion, stable, unstable, orbits, cloud, protons, neutrons, electrons, element, net charge, mass number, neutral, ion, symbol, , atoms, elements, subatomic particles, protons, neutrons, electrons, nucleus, electrically neutral, molecule, compounds, Periodic Table of Elements, atomic mass, atomic number, metals, metalloids, nonmetals, groups, ions, cations, anions,, element, atom, atomic mass, atomic symbol, atomic number, charge, proton, neutron, electron, subatomic particle, positive, negative, neutral, orbit, nucleus, atom, neutron, electron, proton, matter, negative, positive, element, charge, atomic number, atomic mass