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User:Femto/elements e2

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{{Elementbox_header | number=11 | symbol=Na | name=sodium | left=- | right=[[magnesium]] | above=[[lithium|Li]] | below=[[potassium|K]] | color1=#ff6666 | color2=black }}
{{Elementbox_series | [[alkali metal]]s }}
{{Elementbox_groupperiodblock | group=1 | period=3 | block=s }}
{{Elementbox_appearance_img | Na,11| silvery white }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|22.989770(2)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>1</sup> }}
{{Elementbox_epershell | 2, 8, 1 }}
{{Elementbox_section_physicalprop | color1=#ff6666 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 0.968 }}
{{Elementbox_densityliq_gpcm3mp | 0.927 }}
{{Elementbox_meltingpoint | k=370.87 | c=97.72 | f=207.9 }}
{{Elementbox_boilingpoint | k=1156 | c=883 | f=1621 }}
{{Elementbox_heatfusion_kjpmol | 2.60 }}
{{Elementbox_heatvaporiz_kjpmol | 97.42 }}
{{Elementbox_heatcapacity_jpmolkat25 | 28.230 }}
{{Elementbox_vaporpressure_katpa | 554 | 617 | 697 | 802 | 946 | 1153 | 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 | 0.93 }}
{{Elementbox_ionizationenergies4 | 495.8 | 4562 | 6910.3 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|180]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|190]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|154]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|227]] }}
{{Elementbox_section_miscellaneous | color1=#ff6666 | color2=black }}
{{Elementbox_magnetic | [[paramagnetism|paramagnetic]] }}
{{Elementbox_eresist_ohmmat20 | 47.7 n}}
{{Elementbox_thermalcond_wpmkat300k | 142 }}
{{Elementbox_thermalexpansion_umpmkat25 | 71 }}
{{Elementbox_speedofsound_rodmpsat20 | 3200 }}
{{Elementbox_youngsmodulus_gpa | 10 }}
{{Elementbox_shearmodulus_gpa | 3.3 }}
{{Elementbox_bulkmodulus_gpa | 6.3 }}
{{Elementbox_mohshardness | 0.5 }}
{{Elementbox_brinellhardness_mpa | 0.69 }}
{{Elementbox_cas_number | 7440-23-5 }}
{{Elementbox_isotopes_begin | isotopesof=sodium | color1=#ff6666 | color2=black }}
{{Elementbox_isotopes_decay | mn=22 | sym=Na | na=[[synthetic radioisotope|syn]] | hl=[[1 E7 s|2.602]] [[year|y]] | dm=[[Positron emission|β<sup>+</sup>]] | de=0.546 | pn=22 | ps=[[neon|Ne]] }}
{{Elementbox_isotopes_decay | mn=22 | sym=Na | na=[[synthetic radioisotope|syn]] | hl=[[1 E7 s|2.602]] [[year|y]] | dm=[[electron capture|ε]] | de=? | pn=22 | ps=[[neon|Ne]] }}
{{Elementbox_isotopes_decay | mn=22 | sym=Na | na=[[synthetic radioisotope|syn]] | hl=[[1 E7 s|2.602]] [[year|y]] | dm=[[Gamma radiation|γ]] | de=1.2745 | pn=? | ps=? }}
{{Elementbox_isotopes_stable | mn=23 | sym=Na | na=100% | n=12 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ff6666 | color2=black }}
{{Elementbox_header | number=12 | symbol=Mg | name=magnesium | left=[[sodium]] | right=[[aluminium]] | above=[[beryllium|Be]] | below=[[calcium|Ca]] | color1=#ffdead | color2=black }}
{{Elementbox_series | [[alkaline earth metal]]s }}
{{Elementbox_groupperiodblock | group=2 | period=3 | block=s }}
{{Elementbox_appearance_img | Mg,12| silvery white }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|24.3050(6)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>2</sup> }}
{{Elementbox_epershell | 2, 8, 2 }}
{{Elementbox_section_physicalprop | color1=#ffdead | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 1.738 }}
{{Elementbox_densityliq_gpcm3mp | 1.584 }}
{{Elementbox_meltingpoint | k=923 | c=650 | f=1202 }}
{{Elementbox_boilingpoint | k=1363 | c=1090 | f=1994 }}
{{Elementbox_heatfusion_kjpmol | 8.48 }}
{{Elementbox_heatvaporiz_kjpmol | 128 }}
{{Elementbox_heatcapacity_jpmolkat25 | 24.869 }}
{{Elementbox_vaporpressure_katpa | 701 | 773 | 861 | 971 | 1132 | 1361 | comment= }}
{{Elementbox_section_atomicprop | color1=#ffdead | color2=black }}
{{Elementbox_crystalstruct | hexagonal }}
{{Elementbox_oxistates | 2<br />(strongly [[base (chemistry)|basic]] oxide) }}
{{Elementbox_electroneg_pauling | 1.31 }}
{{Elementbox_ionizationenergies4 | 737.7 | 1450.7 | 7732.7 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|150]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|145]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|130]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|173]] }}
{{Elementbox_section_miscellaneous | color1=#ffdead | color2=black }}
{{Elementbox_magnetic | [[paramagnetism|paramagnetic]] }}
{{Elementbox_eresist_ohmmat20 | 43.9 n}}
{{Elementbox_thermalcond_wpmkat300k | 156 }}
{{Elementbox_thermalexpansion_umpmkat25 | 24.8 }}
{{Elementbox_speedofsound_rodmpsatrt | (annealed)<br />4940 }}
{{Elementbox_youngsmodulus_gpa | 45 }}
{{Elementbox_shearmodulus_gpa | 17 }}
{{Elementbox_bulkmodulus_gpa | 45 }}
{{Elementbox_poissonratio | 0.29 }}
{{Elementbox_mohshardness | 2.5 }}
{{Elementbox_brinellhardness_mpa | 260 }}
{{Elementbox_cas_number | 7439-95-4 }}
{{Elementbox_isotopes_begin | isotopesof=magnesium | color1=#ffdead | color2=black }}
{{Elementbox_isotopes_stable | mn=24 | sym=[[magnesium|Mg]] | na=78.99% | n=12 }}
{{Elementbox_isotopes_stable | mn=25 | sym=[[magnesium|Mg]] | na=10% | n=13 }}
{{Elementbox_isotopes_stable | mn=26 | sym=[[magnesium|Mg]] | na=11.01% | n=14 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ffdead | color2=black }}
{{Elementbox_header | number=13 | symbol=Al | name=aluminium | left=[[magnesium]] | right=[[silicon]] | above=[[boron|B]] | below=[[gallium|Ga]] | color1=#cccccc | color2=black }}
{{Elementbox_series | [[poor metal]]s }}
{{Elementbox_groupperiodblock | group=13 | period=3 | block=p }}
{{Elementbox_appearance_img | Al,13| silvery }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|26.981538(2)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>2</sup> 3p<sup>1</sup> }}
{{Elementbox_epershell | 2, 8, 3 }}
{{Elementbox_section_physicalprop | color1=#cccccc | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 2.70 }}
{{Elementbox_densityliq_gpcm3mp | 2.375 }}
{{Elementbox_meltingpoint | k=933.47 | c=660.32 | f=1220.58 }}
{{Elementbox_boilingpoint | k=2792 | c=2519 | f=4566 }}
{{Elementbox_heatfusion_kjpmol | 10.71 }}
{{Elementbox_heatvaporiz_kjpmol | 294.0 }}
{{Elementbox_heatcapacity_jpmolkat25 | 24.200 }}
{{Elementbox_vaporpressure_katpa | 1482 | 1632 | 1817 | 2054 | 2364 | 2790 | comment= }}
{{Elementbox_section_atomicprop | color1=#cccccc | color2=black }}
{{Elementbox_crystalstruct | cubic face centered }}
{{Elementbox_oxistates | 3<br />([[amphoteric]] oxide) }}
{{Elementbox_electroneg_pauling | 1.61 }}
{{Elementbox_ionizationenergies4 | 577.5 | 1816.7 | 2744.8 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|125]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|118]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|118]] }}
{{Elementbox_section_miscellaneous | color1=#cccccc | color2=black }}
{{Elementbox_magnetic | [[paramagnetism|paramagnetic]] }}
{{Elementbox_eresist_ohmmat20 | 26.50 n}}
{{Elementbox_thermalcond_wpmkat300k | 237 }}
{{Elementbox_thermalexpansion_umpmkat25 | 23.1 }}
{{Elementbox_speedofsound_rodmpsatrt | (rolled) 5000 }}
{{Elementbox_youngsmodulus_gpa | 70 }}
{{Elementbox_shearmodulus_gpa | 26 }}
{{Elementbox_bulkmodulus_gpa | 76 }}
{{Elementbox_poissonratio | 0.35 }}
{{Elementbox_mohshardness | 2.75 }}
{{Elementbox_vickershardness_mpa | 167 }}
{{Elementbox_brinellhardness_mpa | 245 }}
{{Elementbox_cas_number | 7429-90-5 }}
{{Elementbox_isotopes_begin | isotopesof=aluminium | color1=#cccccc | color2=black }}
{{Elementbox_isotopes_decay | mn=26 | sym=Al | na=[[synthetic radioisotope|syn]] | hl=[[1 E12 s|7.17×10<sup>5</sup>]][[year|y]] | dm=[[Positron emission|β<sup>+</sup>]] | de=1.17 | pn=26 | ps=[[magnesium|Mg]] }}
{{Elementbox_isotopes_decay | mn=26 | sym=Al | na=[[synthetic radioisotope|syn]] | hl=[[1 E12 s|7.17×10<sup>5</sup>]][[year|y]] | dm=[[electron capture|ε]] | de=? | pn=26 | ps=[[magnesium|Mg]] }}
{{Elementbox_isotopes_decay | mn=26 | sym=Al | na=[[synthetic radioisotope|syn]] | hl=[[1 E12 s|7.17×10<sup>5</sup>]][[year|y]] | dm=[[Gamma radiation|γ]] | de=1.8086 | pn=? | ps=? }}
{{Elementbox_isotopes_stable | mn=27 | sym=Al | na=100% | n=14 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#cccccc | color2=black }}
{{Elementbox_header | number=14 | symbol=Si | name=silicon | left=[[aluminium]] | right=[[phosphorus]] | above=[[carbon|C]] | below=[[germanium|Ge]] | color1=#cccc99 | color2=black }}
{{Elementbox_series | [[metalloid]]s }}
{{Elementbox_groupperiodblock | group=14 | period=3 | block=p }}
{{Elementbox_appearance_img | Si,14| dark gray, bluish tinge }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|28.0855(3)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>2</sup> 3p<sup>2</sup> }}
{{Elementbox_epershell | 2, 8, 4 }}
{{Elementbox_section_physicalprop | color1=#cccc99 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 2.33 }}
{{Elementbox_densityliq_gpcm3mp | 2.57 }}
{{Elementbox_meltingpoint | k=1687 | c=1414 | f=2577 }}
{{Elementbox_boilingpoint | k=3538 | c=3265 | f=5909 }}
{{Elementbox_heatfusion_kjpmol | 50.21 }}
{{Elementbox_heatvaporiz_kjpmol | 359 }}
{{Elementbox_heatcapacity_jpmolkat25 | 19.789 }}
{{Elementbox_vaporpressure_katpa | 1908 | 2102 | 2339 | 2636 | 3021 | 3537 | comment= }}
{{Elementbox_section_atomicprop | color1=#cccc99 | color2=black }}
{{Elementbox_crystalstruct | cubic face centered }}
{{Elementbox_oxistates | 4<br />([[amphoteric]] oxide) }}
{{Elementbox_electroneg_pauling | 1.90 }}
{{Elementbox_ionizationenergies4 | 786.5 | 1577.1 | 3231.6 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|110]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|111]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|111]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|210]] }}
{{Elementbox_section_miscellaneous | color1=#cccc99 | color2=black }}
{{Elementbox_magnetic | nonmagnetic }}
{{Elementbox_thermalcond_wpmkat300k | 149 }}
{{Elementbox_thermalexpansion_umpmkat25 | 2.6 }}
{{Elementbox_speedofsound_rodmpsat20 | 2200 }}
{{Elementbox_youngsmodulus_gpa | 47 }}
{{Elementbox_bulkmodulus_gpa | 100 }}
{{Elementbox_mohshardness | 6.5 }}
{{Elementbox_cas_number | 7440-21-3 }}
{{Elementbox_isotopes_begin | isotopesof=silicon | color1=#cccc99 | color2=black }}
{{Elementbox_isotopes_stable | mn=28 | sym=[[silicon|Si]] | na=92.23% | n=14 }}
{{Elementbox_isotopes_stable | mn=29 | sym=[[silicon|Si]] | na=4.67% | n=15 }}
{{Elementbox_isotopes_stable | mn=30 | sym=[[silicon|Si]] | na=3.1% | n=16 }}
{{Elementbox_isotopes_decay | mn=32 | sym=[[silicon|Si]] | na=[[synthetic radioisotope|syn]] | hl=[[1 E9 s|276 y]] | dm=[[beta emission|β<sup>-</sup>]] | de=0.221 | pn=32 | ps=[[phosphorus|P]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#cccc99 | color2=black }}
{{Elementbox_header | number=15 | symbol=P | name=phosphorus | left=[[silicon]] | right=[[sulfur]] | above=[[nitrogen|N]] | below=[[arsenic|As]] | color1=#a0ffa0 | color2=black }}
{{Elementbox_series | [[nonmetal]]s }}
{{Elementbox_groupperiodblock | group=15 | period=3 | block=p }}
{{Elementbox_appearance_img | P,15| colorless/red/silvery white }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|30.973761(2)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>2</sup> 3p<sup>3</sup> }}
{{Elementbox_epershell | 2, 8, 5 }}
{{Elementbox_section_physicalprop | color1=#a0ffa0 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | (white) 1.823 }}
{{Elementbox_density_gpcm3nrt | (red) 2.34 }}
{{Elementbox_density_gpcm3nrt | (black) 2.69 }}
{{Elementbox_meltingpoint | k=(white) 317.3 | c=44.2 | f=111.6 }}
{{Elementbox_boilingpoint | k=550 | c=277 | f=531 }}
{{Elementbox_heatfusion_kjpmol | (white) 0.66 }}
{{Elementbox_heatvaporiz_kjpmol | 12.4 }}
{{Elementbox_heatcapacity_jpmolkat25 | (white)<br />23.824 }}
{{Elementbox_vaporpressure_katpa | 279 | 307 | 342 | 388 | 453 | 549 | comment=(white) }}
{{Elementbox_vaporpressure_katpa | 455 | 489 | 529 | 576 | 635 | 704 | comment=(red) }}
{{Elementbox_section_atomicprop | color1=#a0ffa0 | color2=black }}
{{Elementbox_crystalstruct | monoclinic }}
{{Elementbox_oxistates | ±3, '''5''', 4<br />(mildly [[acid]]ic oxide) }}
{{Elementbox_electroneg_pauling | 2.19 }}
{{Elementbox_ionizationenergies4 | 1011.8 | 1907 | 2914.1 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|100]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-11 m|98]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|106]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|180]] }}
{{Elementbox_section_miscellaneous | color1=#a0ffa0 | color2=black }}
{{Elementbox_magnetic | no data }}
{{Elementbox_thermalcond_wpmkat300k | (white)<br />0.236 }}
{{Elementbox_bulkmodulus_gpa | 11 }}
{{Elementbox_cas_number | 7723-14-0 }}
{{Elementbox_isotopes_begin | isotopesof=phosphorus | color1=#a0ffa0 | color2=black }}
{{Elementbox_isotopes_stable | mn=31 | sym=P | na=100% | n=16 }}
{{Elementbox_isotopes_decay | mn=32 | sym=P | na=[[synthetic radioisotope|syn]] | hl=14.28 [[day|d]] | dm=[[beta emission|β<sup>-</sup>]] | de=1.709 | pn=32 | ps=[[sulfur|S]] }}
{{Elementbox_isotopes_decay | mn=33 | sym=P | na=[[synthetic radioisotope|syn]] | hl=25.3 [[day|d]] | dm=[[beta emission|β<sup>-</sup>]] | de=0.249 | pn=33 | ps=[[sulfur|S]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#a0ffa0 | color2=black }}
{{Elementbox_header | number=16 | symbol=S | name=sulfur | left=[[phosphorus]] | right=[[chlorine]] | above=[[oxygen|O]] | below=[[selenium|Se]] | color1=#a0ffa0 | color2=black }}
{{Elementbox_series | [[nonmetal]]s }}
{{Elementbox_groupperiodblock | group=16 | period=3 | block=p }}
{{Elementbox_appearance | lemon yellow }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|32.065(5)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>2</sup> 3p<sup>4</sup> }}
{{Elementbox_epershell | 2, 8, 6 }}
{{Elementbox_section_physicalprop | color1=#a0ffa0 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | (alpha) 2.08 }}
{{Elementbox_density_gpcm3nrt | (beta) 1.96 }}
{{Elementbox_density_gpcm3nrt | (gamma) 1.92 }}
{{Elementbox_densityliq_gpcm3mp | 1.819 }}
{{Elementbox_meltingpoint | k=388.36 | c=115.21 | f=239.38 }}
{{Elementbox_boilingpoint | k=717.8 | c=444.6 | f=832.3 }}
{{Elementbox_heatfusion_kjpmol | (mono) 1.727 }}
{{Elementbox_heatvaporiz_kjpmol | (mono) 45 }}
{{Elementbox_heatcapacity_jpmolkat25 | 22.75 }}
{{Elementbox_vaporpressure_katpa | 375 | 408 | 449 | 508 | 591 | 717 | comment= }}
{{Elementbox_section_atomicprop | color1=#a0ffa0 | color2=black }}
{{Elementbox_crystalstruct | orthorhombic }}
{{Elementbox_oxistates | −1, ±2, 4, '''6'''<br />(strongly [[acid]]ic oxide) }}
{{Elementbox_electroneg_pauling | 2.58 }}
{{Elementbox_ionizationenergies4 | 999.6 | 2252 | 3357 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|100]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-11 m|88]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|102]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|180]] }}
{{Elementbox_section_miscellaneous | color1=#a0ffa0 | color2=black }}
{{Elementbox_magnetic | no data }}
{{Elementbox_eresist_ohmmat20 | (amorphous)<br />2×10<sup>15</sup> }}
{{Elementbox_thermalcond_wpmkat300k | (amorphous)<br />0.205 }}
{{Elementbox_bulkmodulus_gpa | 7.7 }}
{{Elementbox_mohshardness | 2.0 }}
{{Elementbox_cas_number | 7704-34-9 }}
{{Elementbox_isotopes_begin | isotopesof=sulfur | color1=#a0ffa0 | color2=black }}
{{Elementbox_isotopes_stable | mn=32 | sym=[[sulfur|S]] | na=95.02% | n=16 }}
{{Elementbox_isotopes_stable | mn=33 | sym=[[sulfur|S]] | na=0.75% | n=17 }}
{{Elementbox_isotopes_stable | mn=34 | sym=[[sulfur|S]] | na=4.21% | n=18 }}
{{Elementbox_isotopes_decay | mn=35 | sym=[[sulfur|S]] | na=[[synthetic radioisotope|syn]] | hl=[[1 E6 s|87.32 d]] | dm=[[beta emission|β<sup>-</sup>]] | de=0.167 | pn=35 | ps=[[chlorine|Cl]] }}
{{Elementbox_isotopes_stable | mn=36 | sym=[[sulfur|S]] | na=0.02% | n=20 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#a0ffa0 | color2=black }}
{{Elementbox_header | number=17 | symbol=Cl | name=chlorine | left=[[sulfur]] | right=[[argon]] | above=[[fluorine|F]] | below=[[bromine|Br]] | color1=#ffff99 | color2=black }}
{{Elementbox_series | [[halogen]]s }}
{{Elementbox_groupperiodblock | group=17 | period=3 | block=p }}
{{Elementbox_appearance_img | Cl,17| yellowish green }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|35.453(2)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>2</sup> 3p<sup>5</sup> }}
{{Elementbox_epershell | 2, 8, 7 }}
{{Elementbox_section_physicalprop | color1=#ffff99 | color2=black }}
{{Elementbox_phase | [[gas]] }}
{{Elementbox_meltingpoint | k=171.6 | c=-101.5 | f=-150.7 }}
{{Elementbox_boilingpoint | k=239.11 | c=-34.04 | f=-29.27 }}
{{Elementbox_heatfusion_kjpmol | (Cl<sub>2</sub>) 6.406 }}
{{Elementbox_heatvaporiz_kjpmol | (Cl<sub>2</sub>) 20.41 }}
{{Elementbox_heatcapacity_jpmolkat25 | (Cl<sub>2</sub>)<br />33.949 }}
{{Elementbox_vaporpressure_katpa | 128 | 139 | 153 | 170 | 197 | 239 | comment= }}
{{Elementbox_section_atomicprop | color1=#ffff99 | color2=black }}
{{Elementbox_crystalstruct | orthorhombic }}
{{Elementbox_oxistates | ±'''1''', 3, 5, 7 <br />(strongly [[acid]]ic oxide) }}
{{Elementbox_electroneg_pauling | 3.16 }}
{{Elementbox_ionizationenergies4 | 1251.2 | 2298 | 3822 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|100]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-11 m|79]] }}
{{Elementbox_covalentradius_pm | [[1 E-11 m|99]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|175]] }}
{{Elementbox_section_miscellaneous | color1=#ffff99 | color2=black }}
{{Elementbox_magnetic | nonmagnetic }}
{{Elementbox_eresist_ohmmat20 | > 10 }}
{{Elementbox_thermalcond_wpmkat300k | 8.9 m}}
{{Elementbox_speedofsound_mps | (gas, 0 °C) 206 }}
{{Elementbox_cas_number | 7782-50-5 }}
{{Elementbox_isotopes_begin | isotopesof=chlorine | color1=#ffff99 | color2=black }}
{{Elementbox_isotopes_stable | mn=35 | sym=Cl | na=75.77% | n=18 }}
{{Elementbox_isotopes_decay | mn=36 | sym=Cl | na=[[synthetic radioisotope|syn]] | hl=[[1 E12 s|3.01×10<sup>5</sup>]] [[year|y]] | dm=[[beta emission|β<sup>-</sup>]] | de=0.709 | pn=36 | ps=[[argon|Ar]] }}
{{Elementbox_isotopes_decay | mn=36 | sym=Cl | na=[[synthetic radioisotope|syn]] | hl=[[1 E12 s|3.01×10<sup>5</sup>]] [[year|y]] | dm=[[electron capture|ε]] | de=? | pn=36 | ps=[[sulfur|S]] }}
{{Elementbox_isotopes_stable | mn=37 | sym=Cl | na=24.23% | n=20 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ffff99 | color2=black }}
{{Elementbox_header | number=18 | symbol=Ar | name=argon | left=[[chlorine]] | right=- | above=[[neon|Ne]] | below=[[krypton|Kr]] | color1=#c0ffff | color2=green }}
{{Elementbox_series | [[noble gas]]es }}
{{Elementbox_groupperiodblock | group=18 | period=3 | block=p }}
{{Elementbox_appearance_img | Ar,18| colorless }}
{{Elementbox_atomicmass_gpm | [[1 E-26 kg|39.948(1)]] }}
{{Elementbox_econfig | [[[neon|Ne]]] 3s<sup>2</sup> 3p<sup>6</sup> }}
{{Elementbox_epershell | 2, 8, 8 }}
{{Elementbox_section_physicalprop | color1=#c0ffff | color2=green }}
{{Elementbox_phase | [[gas]] }}
{{Elementbox_meltingpoint | k=83.80 | c=-189.35 | f=-308.83 }}
{{Elementbox_boilingpoint | k=87.30 | c=-185.85 | f=-302.53 }}
{{Elementbox_heatfusion_kjpmol | 1.18 }}
{{Elementbox_heatvaporiz_kjpmol | 6.43 }}
{{Elementbox_heatcapacity_jpmolkat25 | 20.786 }}
{{Elementbox_vaporpressure_katpa |   | 47 | 53 | 61 | 71 | 87 | comment= }}
{{Elementbox_section_atomicprop | color1=#c0ffff | color2=green }}
{{Elementbox_crystalstruct | cubic face centered }}
{{Elementbox_oxistates | 0 }}
{{Elementbox_electroneg_pauling | no data }}
{{Elementbox_ionizationenergies4 | 1520.6 | 2665.8 | 3931 }}
{{Elementbox_atomicradius_pm | [[1 E-11 m|71]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-11 m|71]] }}
{{Elementbox_covalentradius_pm | [[1 E-11 m|97]] }}
{{Elementbox_vanderwaalsrad_pm | [[1 E-10 m|188]] }}
{{Elementbox_section_miscellaneous | color1=#c0ffff | color2=green }}
{{Elementbox_magnetic | nonmagnetic }}
{{Elementbox_thermalcond_wpmkat300k | 17.72 m}}
{{Elementbox_speedofsound_mps | (gas, 27 °C) 323 }}
{{Elementbox_cas_number | 7440-37-1 }}
{{Elementbox_isotopes_begin | isotopesof=argon | color1=#c0ffff | color2=green }}
{{Elementbox_isotopes_stable | mn=36 | sym=Ar | na=0.337% | n=18 }}
{{Elementbox_isotopes_decay | mn=37 | sym=Ar | na=[[synthetic radioisotope|syn]] | hl=35 [[day|d]] | dm=[[Electron capture|ε]] | de=? | pn=37 | ps=[[chlorine|Cl]] }}
{{Elementbox_isotopes_stable | mn=38 | sym=Ar | na=0.063% | n=20 }}
{{Elementbox_isotopes_decay | mn=39 | sym=Ar | na=[[synthetic radioisotope|syn]] | hl=[[1 E9 s|269]] [[year|y]] | dm=[[beta emission|β<sup>-</sup>]] | de=0.565  | pn=39 | ps=[[potassium|K]] }}
{{Elementbox_isotopes_stable | mn=40 | sym=Ar | na=99.600% | n=22 }}
{{Elementbox_isotopes_decay | mn=42 | sym=Ar | na=[[synthetic radioisotope|syn]] | hl=32.9 [[year|y]] | dm=β<sup>-</sup> | de=0.600 | pn=42 | ps=[[potassium|K]] }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#c0ffff | color2=green }}