Crossword clues for Its atomic number is 50:ARGONIts atomic number is this clue's number divided by threePULLEither of two species of atoms with the same number of neutrons and a different number of protonsISOTONEOne of a group of atoms having the same number of neutrons but a different number of protonsBARIUMAtomic number 56SIXCarbon's atomic numberBETADECAYProcess by which an element's atomic number may be reduced, and a hint to this puzzle's themeTENNeon's atomic numberISOMEREqual in atomic numberBORONAtomic number 5ONEHydrogen's atomic numberBARIUMIts atomic number is 56ONEAtomic number for hydrogenZEESymbol for atomic numberZEESSymbols used for atomic numberBORONElement with atomic number 5ZINCIts atomic number is 30XENONAtomic number 54TINAtomic number 50ONEAtomic number of hydrogenTENAtomic number of neonTWOAtomic number of heliumNINEFluorine's atomic numberEIGHTOxygen's atomic numberBORONIts atomic number is 5KRYPTONIts atomic number is 36TINIts atomic number is 50SODIUMAtomic number 11NEONIts atomic number is 10SEVENAtomic number of nitrogenBORONMetalloid element with atomic number 5COBALTAtomic number 27TANTALUMIts atomic number is 73SEVENNitrogen's atomic numberFOURBeryllium's atomic numberFIVEBoron's atomic numberTEENNeon's atomic numberRADONIts atomic number is 86BARIUMMetallic element with atomic number 28YTTERBIUMWhat element has atomic number 70? A) tellurium; B) americium; C) ytterbium; D) rutheniumRAREEARTHMETALSWith an atomic number 57 through 71EIGHTYMercury's atomic numberMOLYBDENUMIts atomic number is 95-AcrossIRIDIUMAtomic number 77YTTRIUMRare-earth element whose atomic number is 39ARGONAtomic number 18MAGNESIUMAtomic number 12RADONHighest atomic number gasTINIts atomic number is half of fermium'sIRONElement, its atomic number 26.ISOTOPEElement having same atomic number as another.