लैंथेनाइड के संपादन कइल जा रहल बा

{{Periodic table (micro)|mark=lanthanide|title=[[पीरियॉडिक टेबल]] में लैंथेनाइड}}
'''लैंथेनाइड''' [[पीरियॉडिक टेबल]] में एगो [[पीरियॉडिक टेबल समूह|समूह]] हवे।

==ए तत्व सभ के भौतिक गुणधर्म==
<center>
{| class="wikitable" style="font-size: 95%; text-align: center;"
![[Chemical element]]!![[Lanthanum|La]]!![[Cerium|Ce]]!![[praseodymium|Pr]]!![[neodymium|Nd]]!![[promethium|Pm]]!![[samarium|Sm]]!![[europium|Eu]]!![[gadolinium|Gd]]!![[terbium|Tb]]!![[dysprosium|Dy]]!![[holmium|Ho]]!![[erbium|Er]]!![[thulium|Tm]]!![[ytterbium|Yb]]!![[lutetium|Lu]]
|-
| [[Atomic number]]
|57||58||59||60||61||62||63||64||65||66||67||68||69||70||71
|-
|Image|| [[File:Lanthanum-2.jpg|50px]]||[[File:Cerium2.jpg|50px]]||[[File:Praseodymium.jpg|50px]]||[[File:Neodymium2.jpg|50px]]|| ||[[File:Samarium-2.jpg|50px]]||[[File:Europium.jpg|50px]]||[[File:Gadolinium-4.jpg|50px]]||[[File:Terbium-2.jpg|50px]]||[[File:Dy chips.jpg|50px]]||[[File:Holmium2.jpg|50px]]||[[File:Erbium-crop.jpg|50px]]||[[File:Thulium sublimed dendritic and 1cm3 cube.jpg|50px]]||[[File:Ytterbium-3.jpg|50px]]||[[File:Lutetium sublimed dendritic and 1cm3 cube.jpg|50px]]
|-
|Density (g/cm<sup>3</sup>)
|6.162 ||6.770 ||6.77 ||7.01 ||7.26 ||7.52 ||5.244 ||7.90 ||8.23 ||8.540 ||8.79 ||9.066 ||9.32 ||6.90 ||9.841
|-
|Melting point (°C)
|920 ||795 ||935 ||1024 ||1042 ||1072 ||826 ||1312 ||1356 ||1407 ||1461 ||1529 ||1545 ||824 ||1652
|-
|Boiling point (°C)
|3464 ||3443 ||3520 ||3074 ||3000 ||1794 ||1529 ||3273 ||3230 ||2567 ||2720 ||2868 ||1950 ||1196 ||3402
|-
| Atomic [[electron configuration]]*||'''5d<sup>1</sup>'''||4f<sup>1</sup>'''5d<sup>1</sup>'''||4f<sup>3</sup>|| 4f<sup>4</sup>|| 4f<sup>5</sup>||4f<sup>6</sup>|| 4f<sup>7</sup>|| 4f<sup>7</sup>'''5d<sup>1</sup>'''||4f<sup>9</sup>||4f<sup>10</sup>|| 4f<sup>11</sup>||4f<sup>12</sup>||4f<sup>13</sup>||4f<sup>14</sup>||4f<sup>14</sup>'''5d<sup>1</sup>'''
|-
|Metal lattice (RT)
|dhcp ||fcc ||dhcp ||dhcp ||dhcp ||** ||bcc ||hcp ||hcp ||hcp ||hcp||hcp ||hcp ||hcp ||hcp
|-
|Metallic radius pm
|  162 || 181.8  ||182.4  ||181.4  ||183.4   ||180.4  ||208.4  ||180.4  ||177.3  ||178.1  ||176.2  ||176.1  ||175.9 ||193.3  ||173.8
|-
|Resistivity (25&nbsp;°C) /μ Ohm cm
| 57-80<br>20&nbsp;°C  || 73  ||68   ||64  ||    || 88  ||90  ||134  || 114  ||57  ||87  ||87  ||79  ||29  ||79
|-
|mag susceptibility<br>χ<sub>mol</sub> /10<sup>−6</sup>([[cubic centimeter|cm<sup>3</sup>]]·[[Mole (unit)|mol]]<sup>−1</sup>)
||+95.9 ||+2500 (β)||+5530(α)||+5930 (α)|| ||+1278(α)||+30900||+185000<br>(350 K)||+170000 (α)||+98000||+72900||+48000||+24700||+67 (β)||+183
|}
</center>
<nowiki>*</nowiki> Between initial [Xe] and final 6s<sup>2</sup> electronic shells
<nowiki>**</nowiki> Sm has a close packed structure like the other lanthanides but has an unusual 9 layer repeat

==इहो देखल जाय==
* [[पीरियॉडिक टेबल]]
* [[पीरियॉडिक टेबल समूह]]

==संदर्भ==
{{Reflist}}
{{रसायन-आधार}}

{{पीरियॉडिक टेबल संछेप}}
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[[श्रेणी:पीरियॉडिक टेबल]]
[[श्रेणी:पीरियॉडिक टेबल में समूह]]
[[श्रेणी:लैंथेनाइड]]