atomic number Synonyms

atomic numbers cm polonium hafnium promethium radiocarbon cesium cr atomic number 24 semiconductor mg californium mass number atom number atomic scale atomic quantity ordinal numbers proton number chemical symbol average atomic mass oxidation state ordinal number nucleon number lawrencium relative atomic mass atomic weight chrome chlorine charcoal cerium carbon calcium cadmium bromine brimstone boron chromium cobalt atomic mass Fe atomic number 26 26 24 rubidium hectogram copper constant columbium bismuth