Question

What periodic table elements are radioactive?

Answer 1

There are 38 radioactive elements.They either have no stable naturally occurring isotope, or else are entirely artificial as all
artificial elements have no stable isotopes.

Hydrogen (H)
Beryllium (Be)
Carbon (C)
Calcium (Ca)
Iron (Fe)
Cobalt (Co) (Synthetic)
Nickel (Ni)
Zinc (Zn) (Synthetic)
Selenium (Se)
Krypton (Kr)
Rubidium (Rb)
Strontium (Sr)
Yttrium (Y)
Zirconium (Zr)
Niobium (Nb) (Metastable)
Molybdenum (Mo)
Technetium (Tc)
Ruthenium (Ru)
Ruthenium(Ru)
Palladium (Pd)
Silver (Ag)
Tin (Sn)
Antimony (Sb)
Tellurium (Te)
Tellurium (Te)
Iodine (I)
Xenon (Xe)
Cesium (Cs)
Promethium (Pm)
Europium (Eu)
Iridium (Ir) (Synthetic)
Iridium (Ir) (Synthetic, Metastable)
Bismuth (Bi)
Polonium (Po)

Answer 2

There are 38 radioactive elements.They either have no stable naturally occurring isotope, or else are entirely artificial as all
artificial elements have no stable isotopes.

Hydrogen (H)
Beryllium (Be)
Carbon (C)
Calcium (Ca)
Iron (Fe)
Cobalt (Co) (Synthetic)
Nickel (Ni)
Zinc (Zn) (Synthetic)
Selenium (Se)
Krypton (Kr)
Rubidium (Rb)
Strontium (Sr)
Yttrium (Y)
Zirconium (Zr)
Niobium (Nb) (Metastable)
Molybdenum (Mo)
Technetium (Tc)
Ruthenium (Ru)
Ruthenium(Ru)
Palladium (Pd)
Silver (Ag)
Tin (Sn)
Antimony (Sb)
Tellurium (Te)
Tellurium (Te)
Iodine (I)
Xenon (Xe)
Cesium (Cs)
Promethium (Pm)
Europium (Eu)
Iridium (Ir) (Synthetic)
Iridium (Ir) (Synthetic, Metastable)
Bismuth (Bi)
Polonium (Po)

Answer 3

There are 38 radioactive elements.They either have no stable naturally occurring isotope, or else are entirely artificial as all
artificial elements have no stable isotopes.

Hydrogen (H)
Beryllium (Be)
Carbon (C)
Calcium (Ca)
Iron (Fe)
Cobalt (Co) (Synthetic)
Nickel (Ni)
Zinc (Zn) (Synthetic)
Selenium (Se)
Krypton (Kr)
Rubidium (Rb)
Strontium (Sr)
Yttrium (Y)
Zirconium (Zr)
Niobium (Nb) (Metastable)
Molybdenum (Mo)
Technetium (Tc)
Ruthenium (Ru)
Ruthenium(Ru)
Palladium (Pd)
Silver (Ag)
Tin (Sn)
Antimony (Sb)
Tellurium (Te)
Tellurium (Te)
Iodine (I)
Xenon (Xe)
Cesium (Cs)
Promethium (Pm)
Europium (Eu)
Iridium (Ir) (Synthetic)
Iridium (Ir) (Synthetic, Metastable)
Bismuth (Bi)
Polonium (Po)

Answer 4

There are 38 radioactive elements.They either have no stable naturally occurring isotope, or else are entirely artificial as all
artificial elements have no stable isotopes.

Hydrogen (H)
Beryllium (Be)
Carbon (C)
Calcium (Ca)
Iron (Fe)
Cobalt (Co) (Synthetic)
Nickel (Ni)
Zinc (Zn) (Synthetic)
Selenium (Se)
Krypton (Kr)
Rubidium (Rb)
Strontium (Sr)
Yttrium (Y)
Zirconium (Zr)
Niobium (Nb) (Metastable)
Molybdenum (Mo)
Technetium (Tc)
Ruthenium (Ru)
Ruthenium(Ru)
Palladium (Pd)
Silver (Ag)
Tin (Sn)
Antimony (Sb)
Tellurium (Te)
Tellurium (Te)
Iodine (I)
Xenon (Xe)
Cesium (Cs)
Promethium (Pm)
Europium (Eu)
Iridium (Ir) (Synthetic)
Iridium (Ir) (Synthetic, Metastable)
Bismuth (Bi)
Polonium (Po)

Answer 5

There are 38 radioactive elements.They either have no stable naturally occurring isotope, or else are entirely artificial as all artificial elements have no stable isotopes.

Hydrogen (H)
Beryllium (Be)
Carbon (C)
Calcium (Ca)
Iron (Fe)
Cobalt (Co) (Synthetic)
Nickel (Ni)
Zinc (Zn) (Synthetic)
Selenium (Se)
Krypton (Kr)
Rubidium (Rb)
Strontium (Sr)
Yttrium (Y)
Zirconium (Zr)
Niobium (Nb) (Metastable)
Molybdenum (Mo)
Technetium (Tc)
Ruthenium (Ru)
Ruthenium(Ru)
Palladium (Pd)
Silver (Ag)
Tin (Sn)
Antimony (Sb)
Tellurium (Te)
Tellurium (Te)
Iodine (I)
Xenon (Xe)
Cesium (Cs)
Promethium (Pm)
Europium (Eu)
Iridium (Ir) (Synthetic)
Iridium (Ir) (Synthetic, Metastable)
Bismuth (Bi)
Polonium (Po)