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{{Elementbox_header | number=62 | symbol=Sm | name=samarium | left=[[promethium]] | right=[[europium]] | above=- | below=[[plutonium|Pu]] | color1=#ffbfff | color2=black }}
थ्व छगु [[तत्त्व]] (एलेमेन्ट) ख:|
{{Elementbox_series | [[lanthanide]]s }}
{{Elementbox_periodblock | period=6 | block=f }}
{{Elementbox_appearance_img | Sm,62| silvery white }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|150.36]][[List of elements by atomic mass|(2)]] }}
{{Elementbox_econfig | &#91;[[xenon|Xe]]&#93; 4f<sup>6</sup> 6s<sup>2</sup> }}
{{Elementbox_epershell | 2, 8, 18, 24, 8, 2 }}
{{Elementbox_section_physicalprop | color1=#ffbfff | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 7.52 }}
{{Elementbox_densityliq_gpcm3mp | 7.16 }}
{{Elementbox_meltingpoint | k=1345 | c=1072 | f=1962 }}
{{Elementbox_boilingpoint | k=2067 | c=1794 | f=3261 }}
{{Elementbox_heatfusion_kjpmol | 8.62 }}
{{Elementbox_heatvaporiz_kjpmol | 165 }}
{{Elementbox_heatcapacity_jpmolkat25 | 29.54 }}
{{Elementbox_vaporpressure_katpa | 1001 | 1106 | 1240 | (1421) | (1675) | (2061) | comment= }}
{{Elementbox_section_atomicprop | color1=#ffbfff | color2=black }}
{{Elementbox_crystalstruct | rhombohedral }}
{{Elementbox_oxistates | 3<br />(mildly [[base (chemistry)|basic]] oxide) }}
{{Elementbox_electroneg_pauling | 1.17 }}
{{Elementbox_ionizationenergies4 | 544.5 | 1070 | 2260 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|185]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|238]] }}
{{Elementbox_section_miscellaneous | color1=#ffbfff | color2=black }}
{{Elementbox_magnetic | antiferromagnetic}}
{{Elementbox_eresist_ohmm | ([[room temperature|r.t.]]) (α, poly) 0.940 µ}}
{{Elementbox_thermalcond_wpmkat300k | 13.3 }}
{{Elementbox_thermalexpansion_umpmk | ([[room temperature|r.t.]]) (α, poly)<br />12.7 }}
{{Elementbox_speedofsound_rodmpsat20 | 2130 }}
{{Elementbox_youngsmodulus_gpa | (α form) 49.7 }}
{{Elementbox_shearmodulus_gpa | (α form) 19.5 }}
{{Elementbox_bulkmodulus_gpa | (α form) 37.8 }}
{{Elementbox_poissonratio | (α form) 0.274 }}
{{Elementbox_vickershardness_mpa | 412 }}
{{Elementbox_brinellhardness_mpa | 441 }}
{{Elementbox_cas_number | 7440-19-9 }}
{{Elementbox_isotopes_begin | color1=#ffbfff | color2=black }}
{{Elementbox_isotopes_stable | mn=144 | sym=Sm | na=3.07% | n=82 }}
{{Elementbox_isotopes_decay | mn=146 | sym=Sm
| na=[[synthetic radioisotope|syn]] | hl=1.03&times;10<sup>8</sup>[[year|y]]
| dm=[[alpha decay|α]] | de=2.529 | pn=142 | ps=[[neodymium|Nd]] }}
{{Elementbox_isotopes_decay | mn=147 | sym=Sm
| na=14.99% | hl=1.06&times;10<sup>11</sup>[[year|y]]
| dm=[[alpha decay|α]] | de=2.310 | pn=143 | ps=[[neodymium|Nd]] }}
{{Elementbox_isotopes_decay | mn=148 | sym=Sm
| na=11.24% | hl=7&times;10<sup>15</sup>[[year|y]]
| dm=[[alpha decay|α]] | de=1.986 | pn=144 | ps=[[neodymium|Nd]] }}
{{Elementbox_isotopes_decay | mn=149 | sym=Sm
| na=13.82% | hl=>2&times;10<sup>15</sup> [[year|y]]
| dm=[[alpha decay|α]] | de=1.870 | pn=145 | ps=[[neodymium|Nd]] }}
{{Elementbox_isotopes_stable | mn=150 | sym=Sm | na=7.38% | n=88 }}
{{Elementbox_isotopes_stable | mn=152 | sym=Sm | na=26.75% | n=90 }}
{{Elementbox_isotopes_stable | mn=154 | sym=Sm | na=22.75% | n=92 }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ffbfff | color2=black }}
 
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