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{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

{{r|Niobium}}

...t "> 41 <td> [[Niobium|Nb]] <td width="5%" > [[Niobium/Atomic mass|{{:Niobium/Atomic mass}}]] <td width="15%"> <td align="left "> 78 <td> [[Platin

<tr><td> Nb <td> [[Niobium]] <td align="right"> 41

<tr><td>41<td>Nb <td>[[Niobium]] <td bgcolor="#D0D0D0">2 <td bgcolor="#D0D0D0">2<td>6 <td bgcolor=

<tr><td>41<td>Nb <td>[[Niobium]] <td>&nbsp;[Kr]<td>(4''d'')⁴(5''s'')¹</tr> ...iscovered in nature; it was detected in 1925 in platinum ores and in the [[niobium]] mineral [[columbite]]. The element is extremely rare, no concentrated ore

<tr> <td>[[Niobium]]-93</td> <td>⁹³Nb</td> <td>9/2</td> <td>0.4807</td>

<tr> <td>[[Niobium]]-93</td> <td>⁹³Nb</td> <td>9/2</td> <td>0.4807</td>

| 41 || Nb || [[niobium]]

...sium]] <td align="right"> 55 <td width="15%"><td>Nb<td width="5%" >[[Niobium]] <td align="right"> 41<td width="15%"> <td>Te <td width="5%" >[[Tellu ...]] <td> Be <td width="15%"> <td align="left "> 41 <td width="5%" > [[Niobium]] <td> Nb <td width="15%"> <td align="left "> 78 <td width="5%" > [