Deleng sumberé Niobium

{{Elementbox_header | number=41 | symbol=Nb | name=niobium | left=[[zirconium]] | right=[[molybdenum]] | above=[[vanadium|V]] | below=[[tantalum|Ta]] | color1=#ffc0c0 | color2=black }}
{{Elementbox_series | [[transition metal]]s }}
{{Elementbox_groupperiodblock | group=5 | period=5 | block=d }}
{{Elementbox_appearance_img | Nb,41| gray metallic }}
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|92.90638]][[List of elements by atomic mass|(2)]] }}
{{Elementbox_econfig | &#91;[[krypton|Kr]]&#93; 4d<sup>4</sup> 5s<sup>1</sup> }}
{{Elementbox_epershell | 2, 8, 18, 12, 1 }}
{{Elementbox_section_physicalprop | color1=#ffc0c0 | color2=black }}
{{Elementbox_phase | [[solid]] }}
{{Elementbox_density_gpcm3nrt | 8.57 }}
{{Elementbox_meltingpoint | k=2750 | c=2477 | f=4491 }}
{{Elementbox_boilingpoint | k=5017 | c=4744 | f=8571 }}
{{Elementbox_heatfusion_kjpmol | 30 }}
{{Elementbox_heatvaporiz_kjpmol | 689.9 }}
{{Elementbox_heatcapacity_jpmolkat25 | 24.60 }}
{{Elementbox_vaporpressure_katpa | 2942 | 3207 | 3524 | 3910 | 4393 | 5013 | comment= }}
{{Elementbox_section_atomicprop | color1=#ffc0c0 | color2=black }}
{{Elementbox_crystalstruct | cubic body centered }}
{{Elementbox_oxistates | 5, 3<br />(mildly [[acid]]ic oxide) }}
{{Elementbox_electroneg_pauling | 1.6 }}
{{Elementbox_ionizationenergies4 | 652.1 | 1380 | 2416 }}
{{Elementbox_atomicradius_pm | [[1 E-10 m|145]] }}
{{Elementbox_atomicradiuscalc_pm | [[1 E-10 m|198]] }}
{{Elementbox_covalentradius_pm | [[1 E-10 m|137]] }}
{{Elementbox_section_miscellaneous | color1=#ffc0c0 | color2=black }}
{{Elementbox_magnetic | no data }}
{{Elementbox_eresist_ohmmat0 | 152 n}}
{{Elementbox_thermalcond_wpmkat300k | 53.7 }}
{{Elementbox_thermalexpansion_umpmkat25 | 7.3 }}
{{Elementbox_speedofsound_rodmpsat20 | 3480 }}
{{Elementbox_youngsmodulus_gpa | 105 }}
{{Elementbox_shearmodulus_gpa | 38 }}
{{Elementbox_bulkmodulus_gpa | 170 }}
{{Elementbox_poissonratio | 0.40 }}
{{Elementbox_mohshardness | 6.0 }}
{{Elementbox_vickershardness_mpa | 1320 }}
{{Elementbox_brinellhardness_mpa | 736 }}
{{Elementbox_cas_number | 7440-03-1 }}
{{Elementbox_isotopes_begin | isotopesof=niobium | color1=#ffc0c0 | color2=black }}
{{Elementbox_isotopes_decay | mn=91[[nuclear isomer|m]] | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E6 s|60.86 d]]
 | dm=[[isomeric transition|IT]] | de=0.104[[Conversion electron|e]] | pn=91 | ps=Nb }}
{{Elementbox_isotopes_decay | mn=91 | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E10 s|6.8×10<sup>2</sup> y]]
 | dm=[[electron capture|ε]] | de=- | pn=91 | ps=[[zirconium|Zr]] }}
{{Elementbox_isotopes_decay2 | mn=92 | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E5 s|10.15 d]]
 | dm1=[[electron capture|ε]] | de1=- | pn1=92 | ps1=[[zirconium|Zr]]
 | dm2=[[gamma ray|γ]] | de2= 0.934 | pn2= | ps2=- }}
{{Elementbox_isotopes_decay2 | mn=92 | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E15 s|3.47×10<sup>7</sup>y]]
 | dm1=[[electron capture|ε]] | de1=- | pn1=92 | ps1=[[zirconium|Zr]]
 | dm2=[[gamma ray|γ]] | de2=0.561, 0.934 | pn2= | ps2=- }}
{{Elementbox_isotopes_decay | mn=93[[nuclear isomer|m]] | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E8 s|16.13 y]]
 | dm=[[isomeric transition|IT]] | de=0.031[[Conversion electron|e]] | pn=93 | ps=Nb }}
{{Elementbox_isotopes_stable | mn=93 | sym=Nb | na=100% | n=52 }}
{{Elementbox_isotopes_decay2 | mn=94 | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E11 s|2.03×10<sup>4</sup> y]]
 | dm1=[[beta emission|β<sup>-</sup>]] | de1=0.471 | pn1=94 | ps1=[[molybdenum|Mo]]
 | dm2=[[gamma ray|γ]] | de2=0.702, 0.871 | pn2= | ps2=- }}
{{Elementbox_isotopes_decay | mn=95[[nuclear isomer|m]] | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E5 s|3.61 d]]
 | dm=[[isomeric transition|IT]] | de=0.235 | pn=95 | ps=Nb }}
{{Elementbox_isotopes_decay2 | mn=95 | sym=Nb
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E6 s|34.991 d]]
 | dm1=[[beta emission|β<sup>-</sup>]] | de1=0.159 | pn1=95 | ps1=[[molybdenum|Mo]]
 | dm2=[[gamma ray|γ]] | de2=0.765 | pn2= | ps2=- }}
{{Elementbox_isotopes_end}}
{{Elementbox_footer | color1=#ffc0c0 | color2=black }}
{{unsur|Niobium|Nb|41}}

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