{{Elementbox_header | number=55 | symbol=Cs | name=caesium | left=- | right=[[barium]] | above=[[rubidium|Rb]] | below=[[francium|Fr]] | color1=#ff6666 | color2=black }}
{{Elementbox_series | [[alkali metal]]s }}
{{Elementbox_groupperiodblock | group=1 | period=6 | block=s }}
{{Elementbox_appearance_img | Cs,55| silvery gold }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|132.90545(2)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 6s<sup>1</sup> }}
{{Elementbox_epershell | 2, 8, 18, 18, 8, 1 }}
{{Elementbox_section_physicalprop | color1=#ff6666 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 1.93 }}
{{Elementbox_densityliq_gpcm3mp | 1.843 }}
{{Elementbox_meltingpoint | k=301.59 | c=28.44 | f=83.19 }}
{{Elementbox_boilingpoint | k=944 | c=671 | f=1240 }}
{{Elementbox_heatfusion_kjpmol | 2.09 }}
{{Elementbox_heatvaporiz_kjpmol | 63.9 }}
{{Elementbox_heatcapacity_jpmolkat25 | 32.210 }}
{{Elementbox_vaporpressure_katpa | 418 | 469 | 534 | 623 | 750 | 940 | comment= }}
{{Elementbox_section_atomicprop | color1=#ff6666 | color2=black }}
{{Elementbox_crystalstruct | cubic body centered }}
{{Elementbox_oxistates | 1<br />(strongly [[base (chemistry)|basic]] oxide) }}
{{Elementbox_electroneg_pauling | 0.79 }}
{{Elementbox_ionizationenergies3 | 375.7 | 2234.3 | 3400 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|260]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|298]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|225]] }}
{{Elementbox_section_miscellaneous | color1=#ff6666 | color2=black }}
{{Elementbox_magnetic | no data }}
{{Elementbox_eresist_ohmmat20 | 205 n}}
{{Elementbox_thermalcond_wpmkat300k | 35.9 }}
{{Elementbox_thermalexpansion_umpmkat25 | 97 }}
{{Elementbox_youngsmodulus_gpa | 1.7 }}
{{Elementbox_bulkmodulus_gpa | 1.6 }}
{{Elementbox_mohshardness | 0.2 }}
{{Elementbox_brinellhardness_mpa | 0.14 }}
{{Elementbox_cas_number | 7440-46-2 }}
{{Elementbox_isotopes_begin | isotopesof=caesium | color1=#ff6666 | color2=black }}
{{Elementbox_isotopes_stable | mn=133 | sym=[[caesium|Cs]] | na='''100%''' | n=78 }}
{{Elementbox_isotopes_decay | mn=134 | sym=Cs | na=[[synthetic radioisotope|syn]] | hl=2.0648 [[year|y]] | dm=[[electron capture|epsilon]] | de=1.229 | pn=134 | ps=[[xenon|Xe]] }}
{{Elementbox_isotopes_decay | mn=134 | sym=Cs | na=[[synthetic radioisotope|syn]] | hl=2.0648 [[year|y]] | dm=[[beta emission|beta<sup>-</sup>]] | de=2.059 | pn=134 | ps=[[barium|Ba]] }}
{{Elementbox_isotopes_decay | mn=135 | sym=Cs | na=[[trace radioisotope|trace]] | hl=23 ×10<sup>6</sup> [[year|y]] | dm=[[beta emission|beta<sup>-</sup>]] | de=0.269 | pn=135 | ps=[[barium|Ba]] }}
{{Elementbox_isotopes_decay | mn=137 | sym=Cs | na=[[synthetic radioisotope|syn]] | hl=30.07 [[year|y]] | dm=[[beta emission|beta<sup>-</sup>]] | de=1.176 | pn=137 | ps=[[barium|Ba]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ff6666 | color2=black }}
{{Elementbox_header | number=56 | symbol=Ba | name=barium | left=[[caesium]] | right=[[lanthanum]] | above=[[strontium|Sr]] | below=[[radium|Ra]] | color1=#ffdead | color2=black }}
{{Elementbox_series | [[alkaline earth metal]]s }}
{{Elementbox_groupperiodblock | group=2 | period=6 | block=s }}
{{Elementbox_appearance_img | Ba,56| silvery white }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|137.327(7)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 6s<sup>2</sup> }}
{{Elementbox_epershell | 2, 8, 18, 18, 8, 2 }}
{{Elementbox_section_physicalprop | color1=#ffdead | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 3.51 }}
{{Elementbox_densityliq_gpcm3mp | 3.338 }}
{{Elementbox_meltingpoint | k=1000 | c=727 | f=1341 }}
{{Elementbox_boilingpoint | k=2170 | c=1897 | f=3447 }}
{{Elementbox_heatfusion_kjpmol | 7.12 }}
{{Elementbox_heatvaporiz_kjpmol | 140.3 }}
{{Elementbox_heatcapacity_jpmolkat25 | 28.07 }}
{{Elementbox_vaporpressure_katpa | 911 | 1038 | 1185 | 1388 | 1686 | 2170 | comment= }}
{{Elementbox_section_atomicprop | color1=#ffdead | color2=black }}
{{Elementbox_crystalstruct | cubic body centered }}
{{Elementbox_oxistates | 2<br />(strongly [[base (chemistry)|basic]] oxide) }}
{{Elementbox_electroneg_pauling | 0.89 }}
{{Elementbox_ionizationenergies3 | 502.9 | 965.2 | 3600 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|215]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|253]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|198]] }}
{{Elementbox_section_miscellaneous | color1=#ffdead | color2=black }}
{{Elementbox_magnetic | [[paramagnetism|paramagnetic]] }}
{{Elementbox_eresist_ohmmat20 | 332 n}}
{{Elementbox_thermalcond_wpmkat300k | 18.4 }}
{{Elementbox_thermalexpansion_umpmkat25 | 20.6 }}
{{Elementbox_speedofsound_rodmpsat20 | 1620 }}
{{Elementbox_youngsmodulus_gpa | 13 }}
{{Elementbox_shearmodulus_gpa | 4.9 }}
{{Elementbox_bulkmodulus_gpa | 9.6 }}
{{Elementbox_mohshardness | 1.25 }}
{{Elementbox_cas_number | 7440-39-3 }}
{{Elementbox_isotopes_begin | isotopesof=barium | color1=#ffdead | color2=black }}
{{Elementbox_isotopes_stable | mn=130 | sym=[[barium|Ba]] | na=0.106% | n=74 }}
{{Elementbox_isotopes_stable | mn=132 | sym=[[barium|Ba]] | na=0.101% | n=76 }}
{{Elementbox_isotopes_decay | mn=133 | sym=[[barium|Ba]] | na=[[synthetic radioisotope|syn]] | hl=10.51 [[year|y]] | dm=[[electron capture|epsilon]] | de=0.517 | pn=133 | ps=[[caesium|Cs]] }}
{{Elementbox_isotopes_stable | mn=134 | sym=[[barium|Ba]] | na=2.417% | n=78 }}
{{Elementbox_isotopes_stable | mn=135 | sym=[[barium|Ba]] | na=6.592% | n=79 }}
{{Elementbox_isotopes_stable | mn=136 | sym=[[barium|Ba]] | na=7.854% | n=80 }}
{{Elementbox_isotopes_stable | mn=137 | sym=[[barium|Ba]] | na=11.23% | n=81 }}
{{Elementbox_isotopes_stable | mn=138 | sym=[[barium|Ba]] | na='''71.7%''' | n=82 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ffdead | color2=black }}
{{Elementbox_header | number=81 | symbol=Tl | name=thallium | left=[[mercury (element)|mercury]] | right=[[lead]] | above=[[indium|In]] | below=[[ununtrium|Uut]] | color1=#cccccc | color2=black }}
{{Elementbox_series | [[poor metal]]s }}
{{Elementbox_groupperiodblock | group=13 | period=6 | block=p }}
{{Elementbox_appearance_img | Tl,81| silvery white }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|204.3833(2)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>1</sup> }}
{{Elementbox_epershell | 2, 8, 18, 32, 18, 3 }}
{{Elementbox_section_physicalprop | color1=#cccccc | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 11.85 }}
{{Elementbox_densityliq_gpcm3mp | 11.22 }}
{{Elementbox_meltingpoint | k=577 | c=304 | f=579 }}
{{Elementbox_boilingpoint | k=1746 | c=1473 | f=2683 }}
{{Elementbox_heatfusion_kjpmol | 4.14 }}
{{Elementbox_heatvaporiz_kjpmol | 165 }}
{{Elementbox_heatcapacity_jpmolkat25 | 26.32 }}
{{Elementbox_vaporpressure_katpa | 882 | 977 | 1097 | 1252 | 1461 | 1758 | comment= }}
{{Elementbox_section_atomicprop | color1=#cccccc | color2=black }}
{{Elementbox_crystalstruct | hexagonal }}
{{Elementbox_oxistates | 3, '''1'''<br />(mildly [[base (chemistry)|basic]] oxide) }}
{{Elementbox_electroneg_pauling | 1.62 }}
{{Elementbox_ionizationenergies3 | 589.4 | 1971 | 2878 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|190]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|156]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|148]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|196]] }}
{{Elementbox_section_miscellaneous | color1=#cccccc | color2=black }}
{{Elementbox_magnetic | ??? }}
{{Elementbox_eresist_ohmmat20 | 0.18 µ}}
{{Elementbox_thermalcond_wpmkat300k | 46.1 }}
{{Elementbox_thermalexpansion_umpmkat25 | 29.9 }}
{{Elementbox_speedofsound_rodmpsat20 | 818 }}
{{Elementbox_youngsmodulus_gpa | 8 }}
{{Elementbox_shearmodulus_gpa | 2.8 }}
{{Elementbox_bulkmodulus_gpa | 43 }}
{{Elementbox_poissonratio | 0.45 }}
{{Elementbox_mohshardness | 1.2 }}
{{Elementbox_brinellhardness_mpa | 26.4 }}
{{Elementbox_cas_number | 7440-28-0 }}
{{Elementbox_isotopes_begin | isotopesof=thallium | color1=#cccccc | color2=black }}
{{Elementbox_isotopes_stable | mn=203 | sym=Tl | na=29.524% | n=122 }}
{{Elementbox_isotopes_decay | mn=204 | sym=Tl | na=[[synthetic radioisotope|syn]] | hl=3.78 [[year|y]] | dm=[[beta emission|Beta<sup>−</sup>]] | de=0.764 | pn=204 | ps=[[lead|Pb]] }}
{{Elementbox_isotopes_decay | mn=204 | sym=Tl | na=[[synthetic radioisotope|syn]] | hl=3.78 [[year|y]] | dm=[[electron capture|Epsilon]] | de=0.347 | pn=204 | ps=[[mercury (element)|Hg]] }}
{{Elementbox_isotopes_stable | mn=205 | sym=Tl | na='''70.476%''' | n=124 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#cccccc | color2=black }}
{{Elementbox_header | number=82 | symbol=Pb | name=lead | left=[[thallium]] | right=[[bismuth]] | above=[[tin|Sn]] | below=[[ununquadium|Uuq]] | color1=#cccccc | color2=black }}
{{Elementbox_series | [[poor metal]]s }}
{{Elementbox_groupperiodblock | group=14 | period=6 | block=p }}
{{Elementbox_appearance_img | Pb,82| bluish white }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|207.2(1)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>2</sup> }}
{{Elementbox_epershell | 2, 8, 18, 32, 18, 4 }}
{{Elementbox_section_physicalprop | color1=#cccccc | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 11.34 }}
{{Elementbox_densityliq_gpcm3mp | 10.66 }}
{{Elementbox_meltingpoint | k=600.61 | c=327.46 | f=621.43 }}
{{Elementbox_boilingpoint | k=2022 | c=1749 | f=3180 }}
{{Elementbox_heatfusion_kjpmol | 4.77 }}
{{Elementbox_heatvaporiz_kjpmol | 179.5 }}
{{Elementbox_heatcapacity_jpmolkat25 | 26.650 }}
{{Elementbox_vaporpressure_katpa | 978 | 1088 | 1229 | 1412 | 1660 | 2027 | comment= }}
{{Elementbox_section_atomicprop | color1=#cccccc | color2=black }}
{{Elementbox_crystalstruct | cubic face centered }}
{{Elementbox_oxistates | 4, '''2'''<br />([[amphoteric]] oxide) }}
{{Elementbox_electroneg_pauling | 2.33 }}
{{Elementbox_ionizationenergies4 | 715.6 | 1450.5 | 3081.5 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|180]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|154]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|147]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|202]] }}
{{Elementbox_section_miscellaneous | color1=#cccccc | color2=black }}
{{Elementbox_magnetic | [[diamagnetism|diamagnetic]] }}
{{Elementbox_eresist_ohmmat20 | 208 n}}
{{Elementbox_thermalcond_wpmkat300k | 35.3 }}
{{Elementbox_thermalexpansion_umpmkat25 | 28.9 }}
{{Elementbox_speedofsound_rodmpsatrt | (annealed)<br />1190 }}
{{Elementbox_youngsmodulus_gpa | 16 }}
{{Elementbox_shearmodulus_gpa | 5.6 }}
{{Elementbox_bulkmodulus_gpa | 46 }}
{{Elementbox_poissonratio | 0.44 }}
{{Elementbox_mohshardness | 1.5 }}
{{Elementbox_brinellhardness_mpa | 38.3 }}
{{Elementbox_cas_number | 7439-92-1 }}
{{Elementbox_isotopes_begin | isotopesof=lead | color1=#cccccc | color2=black }}
{{Elementbox_isotopes_decay | mn=202 | sym=[[lead|Pb]] | na=[[synthetic radioisotope|syn]] | hl=52500 [[year|y]] | dm=[[alpha emission|Alpha]] | de=2.598 | pn=198 | ps=[[mercury (element)|Hg]] }}
{{Elementbox_isotopes_decay | mn=202 | sym=[[lead|Pb]] | na=[[synthetic radioisotope|syn]] | hl=52500 [[year|y]] | dm=[[Electron capture|Epsilon]] | de=0.050 | pn=202 | ps=[[thallium|Tl]] }}
{{Elementbox_isotopes_decay | mn=204 | sym=[[lead|Pb]] | na=1.4% | hl=>1.4 E17 [[year|y]] | dm=[[alpha emission|Alpha]] | de=2.186 | pn=200 | ps=[[mercury (element)|Hg]] }}
{{Elementbox_isotopes_decay | mn=205 | sym=[[lead|Pb]] | na=[[synthetic radioisotope|syn]] | hl=1.53 E7 [[year|y]] | dm=[[Electron capture|Epsilon]] | de=0.051 | pn=205 | ps=[[thallium|Tl]] }}
{{Elementbox_isotopes_stable | mn=206 | sym=[[lead|Pb]] | na=24.1% | n=124 }}
{{Elementbox_isotopes_stable | mn=207 | sym=[[lead|Pb]] | na=22.1% | n=125 }}
{{Elementbox_isotopes_stable | mn=208 | sym=[[lead|Pb]] | na='''52.4%''' | n=126 }}
{{Elementbox_isotopes_decay | mn=210 | sym=[[lead|Pb]] | na=[[synthetic radioisotope|syn]] | hl=22.3 [[year|y]] | dm=[[alpha emission|Alpha]] | de=3.792 | pn=206 | ps=[[mercury (element)|Hg]] }}
{{Elementbox_isotopes_decay | mn=210 | sym=[[lead|Pb]] | na=[[synthetic radioisotope|syn]] | hl=22.3 [[year|y]] | dm=[[Beta emission|Beta]] | de=0.064 | pn=210 | ps=[[bismuth|Bi]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#cccccc | color2=black }}
{{Elementbox_header | number=83 | symbol=Bi | name=bismuth | left=[[lead]] | right=[[polonium]] | above=[[antimony|Sb]] | below=[[ununpentium|Uup]] | color1=#cccccc | color2=black }}
{{Elementbox_series | [[poor metal]]s }}
{{Elementbox_groupperiodblock | group=15 | period=6 | block=p }}
{{Elementbox_appearance_img | Bi,83| lustrous reddish white }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|208.98038(2)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>3</sup> }}
{{Elementbox_epershell | 2, 8, 18, 32, 18, 5 }}
{{Elementbox_section_physicalprop | color1=#cccccc | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 9.78 }}
{{Elementbox_densityliq_gpcm3mp | 10.05 }}
{{Elementbox_meltingpoint | k=544.7 | c=271.5 | f=520.7 }}
{{Elementbox_boilingpoint | k=1837 | c=1564 | f=2847 }}
{{Elementbox_heatfusion_kjpmol | 11.30 }}
{{Elementbox_heatvaporiz_kjpmol | 151 }}
{{Elementbox_heatcapacity_jpmolkat25 | 25.52 }}
{{Elementbox_vaporpressure_katpa | 941 | 1041 | 1165 | 1325 | 1538 | 1835 | comment= }}
{{Elementbox_section_atomicprop | color1=#cccccc | color2=black }}
{{Elementbox_crystalstruct | rhombohedral }}
{{Elementbox_oxistates | '''3''', 5<br />(mildly [[acid]]ic oxide) }}
{{Elementbox_electroneg_pauling | 2.02 }}
{{Elementbox_ionizationenergies4 | 703 | 1610 | 2466 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|160]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|143]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|146]] }}
{{Elementbox_section_miscellaneous | color1=#cccccc | color2=black }}
{{Elementbox_magnetic | [[diamagnetism|diamagnetic]] }}
{{Elementbox_eresist_ohmmat20 | 1.29 µ}}
{{Elementbox_thermalcond_wpmkat300k | 7.97 }}
{{Elementbox_thermalexpansion_umpmkat25 | 13.4 }}
{{Elementbox_speedofsound_rodmpsat20 | 1790 }}
{{Elementbox_youngsmodulus_gpa | 32 }}
{{Elementbox_shearmodulus_gpa | 12 }}
{{Elementbox_bulkmodulus_gpa | 31 }}
{{Elementbox_poissonratio | 0.33 }}
{{Elementbox_mohshardness | 2.25 }}
{{Elementbox_brinellhardness_mpa | 94.2 }}
{{Elementbox_cas_number | 7440-69-9 }}
{{Elementbox_isotopes_begin | isotopesof=bismuth | color1=#cccccc | color2=black }}
{{Elementbox_isotopes_decay | mn=207 | sym=[[bismuth|Bi]] | na=[[synthetic radioisotope|syn]] | hl=31.55 [[year|y]] | dm=[[electron capture|ε]] | de=2.399 | pn=207 | ps=[[lead|Pb]] }}
{{Elementbox_isotopes_decay | mn=208 | sym=[[bismuth|Bi]] | na=[[synthetic radioisotope|syn]] | hl=3,368,000 [[year|y]] | dm=[[electron capture|ε]] | de=2.880 | pn=208 | ps=[[lead|Pb]] }}
{{Elementbox_isotopes_decay | mn=209 | sym=[[bismuth|Bi]] | na='''100%''' | hl=(1.9±0.2) ×10<sup>19</sup>[[year|y]] | dm=[[Alpha emission|α]] | de= | pn=205 | ps=[[thallium|Tl]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#cccccc | color2=black }}
{{Elementbox_header | number=84 | symbol=Po | name=polonium | left=[[bismuth]] | right=[[astatine]] | above=[[tellurium|Te]] | below=[[ununhexium|Uuh]] | color1=#cccc99 | color2=black }}
{{Elementbox_series | [[metalloid]]s }}
{{Elementbox_groupperiodblock | group=16 | period=6 | block=p }}
{{Elementbox_appearance | silvery }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|(209)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>4</sup> }}
{{Elementbox_epershell | 2, 8, 18, 32, 18, 6 }}
{{Elementbox_section_physicalprop | color1=#cccc99 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | (alpha) 9.196 }}
{{Elementbox_density_gpcm3nrt | (beta) 9.398 }}
{{Elementbox_meltingpoint | k=527 | c=254 | f=489 }}
{{Elementbox_boilingpoint | k=1235 | c=962 | f=1764 }}
{{Elementbox_heatfusion_kjpmol | ca. 13 }}
{{Elementbox_heatvaporiz_kjpmol | 102.91 }}
{{Elementbox_heatcapacity_jpmolkat25 | 26.4 }}
{{Elementbox_vaporpressure_katpa | | | | (846) | 1003 | 1236 | comment= }}
{{Elementbox_section_atomicprop | color1=#cccc99 | color2=black }}
{{Elementbox_crystalstruct | monoclinic }}
{{Elementbox_oxistates | '''4''', 2<br />([[amphoteric]] oxide) }}
{{Elementbox_electroneg_pauling | 2.0 }}
{{Elementbox_ionizationenergies1 | 812.1 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|190]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|135]] }}
{{Elementbox_section_miscellaneous | color1=#cccc99 | color2=black }}
{{Elementbox_magnetic | nonmagnetic }}
{{Elementbox_eresist_ohmmat0 | (α) 0.40 µ}}
{{Elementbox_thermalcond_wpmkat300k | ??? 20 }}
{{Elementbox_thermalexpansion_umpmkat25 | 23.5 }}
{{Elementbox_cas_number | 7440-08-6 }}
{{Elementbox_isotopes_begin | isotopesof=polonium | color1=#cccc99 | color2=black }}
{{Elementbox_isotopes_decay | mn=208 | sym=Po | na=[[synthetic radioisotope|syn]] | hl=2.898 [[year|y]] | dm=[[alpha emission|Alpha]] | de=5.215 | pn=204 | ps=[[lead|Pb]] }}
{{Elementbox_isotopes_decay | mn=208 | sym=Po | na=[[synthetic radioisotope|syn]] | hl=2.898 [[year|y]] | dm=[[Electron capture|Epsilon]] | de=1.401 | pn=208 | ps=[[bismuth|Bi]] }}
{{Elementbox_isotopes_decay | mn=209 | sym=Po | na=[[synthetic radioisotope|syn]] | hl=103 y | dm=[[alpha emission|Alpha]] | de=4.979 | pn=205 | ps=[[lead|Pb]] }}
{{Elementbox_isotopes_decay | mn=209 | sym=Po | na=[[synthetic radioisotope|syn]] | hl=103 y | dm=[[Electron_capture|Epsilon]] | de=1.893 | pn=209 | ps=[[bismuth|Bi]] }}
{{Elementbox_isotopes_decay | mn=210 | sym=Po | na=[[synthetic radioisotope|syn]] | hl=138.376 [[day|d]] | dm=[[alpha emission|Alpha]] | de=5.407 | pn=206 | ps=[[lead|Pb]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#cccc99 | color2=black }}
{{Elementbox_header | number=85 | symbol=At | name=astatine | left=[[polonium]] | right=[[radon]] | above=[[iodine|I]] | below=(Uus) | color1=#ffff99 | color2=black }}
{{Elementbox_series | [[halogen]]s }}
{{Elementbox_groupperiodblock | group=17 | period=6 | block=p }}
{{Elementbox_appearance | metallic }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|(210)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>5</sup> }}
{{Elementbox_epershell | 2, 8, 18, 32, 18, 7 }}
{{Elementbox_section_physicalprop | color1=#ffff99 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | ??? }}
{{Elementbox_meltingpoint | k=575 | c=302 | f=576 }}
{{Elementbox_boilingpoint | k=? 610 | c=? 337 | f=? }}
{{Elementbox_heatfusion_kjpmol | ??? }}
{{Elementbox_heatvaporiz_kjpmol | ca. 40 }}
{{Elementbox_vaporpressure_katpa | 361 | 392 | 429 | 475 | 531 | 607 | comment= }}
{{Elementbox_section_atomicprop | color1=#ffff99 | color2=black }}
{{Elementbox_crystalstruct | no data }}
{{Elementbox_oxistates | ±1, 3, 5, 7 }}
{{Elementbox_electroneg_pauling | 2.2 }}
{{Elementbox_ionizationenergies1 | 920 }}
{{Elementbox_section_miscellaneous | color1=#ffff99 | color2=black }}
{{Elementbox_magnetic | no data }}
{{Elementbox_thermalcond_wpmkat300k | 1.7 }}
{{Elementbox_cas_number | 7440-68-8 }}
{{Elementbox_isotopes_begin | isotopesof=astatine | color1=#ffff99 | color2=black }}
{{Elementbox_isotopes_decay | mn=210 | sym=At | na='''100%''' | hl=8.1 [[hour|h]] | dm=[[electron capture|Epsilon]] | de=3.981 | pn=210 | ps=[[polonium|Po]] }}
{{Elementbox_isotopes_decay | mn=210 | sym=At | na='''100%''' | hl=8.1 [[hour|h]] | dm=[[alpha decay|Alpha]] | de=5.631 | pn=206 | ps=[[bismuth|Bi]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ffff99 | color2=black }}
{{Elementbox_header | number=86 | symbol=Rn | name=radon | left=[[astatine]] | right=- | above=[[xenon|Xe]] | below=(Uuo) | color1=#c0ffff | color2=green }}
{{Elementbox_series | [[noble gas]]es }}
{{Elementbox_groupperiodblock | group=18 | period=6 | block=p }}
{{Elementbox_appearance | colorless }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|(222)]] }}
{{Elementbox_econfig | [[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>6</sup> }}
{{Elementbox_epershell | 2, 8, 18, 32, 18, 8 }}
{{Elementbox_section_physicalprop | color1=#c0ffff | color2=green }}
{{Elementbox_phase | [[gas]] }}
{{Elementbox_meltingpoint | k=202 | c=-71 | f=-96 }}
{{Elementbox_boilingpoint | k=211.3 | c=-61.7 | f=-79.1 }}
{{Elementbox_heatfusion_kjpmol | 3.247 }}
{{Elementbox_heatvaporiz_kjpmol | 18.10 }}
{{Elementbox_heatcapacity_jpmolkat25 | 20.786 }}
{{Elementbox_vaporpressure_katpa | 110 | 121 | 134 | 152 | 176 | 211 | comment= }}
{{Elementbox_section_atomicprop | color1=#c0ffff | color2=green }}
{{Elementbox_crystalstruct | cubic face centered }}
{{Elementbox_oxistates | ??? }}
{{Elementbox_electroneg_pauling | no data }}
{{Elementbox_ionizationenergies1 | 1037 }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|120]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|145]] }}
{{Elementbox_section_miscellaneous | color1=#c0ffff | color2=green }}
{{Elementbox_magnetic | nonmagnetic }}
{{Elementbox_thermalcond_wpmkat300k | 3.61 m}}
{{Elementbox_cas_number | 10043-92-2 }}
{{Elementbox_isotopes_begin | isotopesof=radon | color1=#c0ffff | color2=green }}
{{Elementbox_isotopes_decay | mn=211 | sym=Rn | na=[[synthetic radioisotope|syn]] | hl=14.6 [[hour|h]] | dm=[[electron capture|Epsilon]] | de=2.892 | pn=211 | ps=[[astatine|At]] }}
{{Elementbox_isotopes_decay | mn=211 | sym=Rn | na=[[synthetic radioisotope|syn]] | hl=14.6 [[hour|h]] | dm=[[alpha emission|Alpha]] | de=5.965 | pn=207 | ps=[[polonium|Po]] }}
{{Elementbox_isotopes_decay | mn=222 | sym=Rn | na='''100%''' | hl=3.824 [[day|d]] | dm=Alpha | de=5.590 | pn=218 | ps=[[polonium|Po]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#c0ffff | color2=green }}
