A chemical substance composed of atoms with the same number of protons in the atomic nucleus.
ElementalSubstance
elementalsubstance
ElementalSubstance#A chemical substance composed of atoms with the same number of protons in the atomic nucleus.;en
ElementalSubstance# QUERY0864fd169e7bd631a4fc0abc9f396df9
ElementalSubstance# QUERY37cba6be9b4592c1ccdc7fb007a801ff
ElementalSubstance# ERRc64006d1114900526065f1730ffd080e
meta