Revisi per 12 Agustus 2012 04.42 sunting MastiBot (bicara \| kontrib) Bot 18.019 suntingan k r2.7.2) (bot Mengubah: chr:ᏝᏘᏅᎻ ← Revisi sebelumnya		Revisi per 22 Agustus 2012 06.47 sunting balikkan RaymondSutanto (bicara \| kontrib) Birokrat, Pengecualian blokir IP, Pengurus 31.399 suntingan kTidak ada ringkasan suntingan Revisi selanjutnya →
Baris 1: {{kotak info platina}} ~~{{Elementbox_header \| number=78 \| symbol=Pt \| name=platina \| left=[[iridium]] \| right=[[emas]] \| above=[[paladium\|Pd]] \| below=[[darmstadtium\|Ds]] \| color1=#ffc0c0 \| color2=black }}~~ ~~{{Elementbox_series \| [[transition metal]]s }}~~ ~~{{Elementbox_groupperiodblock \| group=10 \| period=6 \| block=d }}~~ ~~{{Elementbox_appearance_img \| Pt,78\| grayish white }}~~ ~~{{Elementbox_atomicmass_gpm \| [[1 E-25 kg\|195.084(9)]] }}~~ ~~{{Elementbox_econfig \| [[[xenon\|Xe]]] 4f<sup>14</sup> 5d<sup>9</sup> 6s<sup>1</sup> }}~~ ~~{{Elementbox_epershell \| 2, 8, 18, 32, 17, 1 }}~~ ~~{{Elementbox_section_physicalprop \| color1=#ffc0c0 \| color2=black }}~~ ~~{{Elementbox_phase \| [[solid]] }}~~ ~~{{Elementbox_density_gpcm3nrt \| 21.45 }}~~ ~~{{Elementbox_densityliq_gpcm3mp \| 19.77 }}~~ ~~{{Elementbox_meltingpoint \| k=2041.4 \| c=1768.3 \| f=3214.9 }}~~ ~~{{Elementbox_boilingpoint \| k=4098 \| c=3825 \| f=6917 }}~~ ~~{{Elementbox_heatfusion_kjpmol \| 22.17 }}~~ ~~{{Elementbox_heatvaporiz_kjpmol \| 469 }}~~ ~~{{Elementbox_heatcapacity_jpmolkat25 \| 25.86 }}~~ ~~{{Elementbox_vaporpressure_katpa \| 2330 \| (2550) \| 2815 \| 3143 \| 3556 \| 4094 \| comment= }}~~ ~~{{Elementbox_section_atomicprop \| color1=#ffc0c0 \| color2=black }}~~ ~~{{Elementbox_crystalstruct \| cubic face centered }}~~ ~~{{Elementbox_oxistates \| 2, '''4'''{{br}}(mildly [[base (chemistry)\|basic]] oxide) }}~~ ~~{{Elementbox_electroneg_pauling \| 2.28 }}~~ ~~{{Elementbox_ionizationenergies2 \| 870 \| 1791 }}~~ ~~{{Elementbox_atomicradius_pm \| [[1 E-10 m\|135]] }}~~ ~~{{Elementbox_atomicradiuscalc_pm \| [[1 E-10 m\|177]] }}~~ ~~{{Elementbox_covalentradius_pm \| [[1 E-10 m\|128]] }}~~ ~~{{Elementbox_vanderwaalsrad_pm \| [[1 E-10 m\|175]] }}~~ ~~{{Elementbox_section_miscellaneous \| color1=#ffc0c0 \| color2=black }}~~ ~~{{Elementbox_magnetic \| [[paramagnetism\|paramagnetic]] }}~~ ~~{{Elementbox_eresist_ohmmat20 \| 105 n}}~~ ~~{{Elementbox_thermalcond_wpmkat300k \| 71.6 }}~~ ~~{{Elementbox_thermalexpansion_umpmkat25 \| 8.8 }}~~ ~~{{Elementbox_speedofsound_rodmpsatrt \| 2800 }}~~ ~~{{Elementbox_youngsmodulus_gpa \| 168 }}~~ ~~{{Elementbox_shearmodulus_gpa \| 61 }}~~ ~~{{Elementbox_bulkmodulus_gpa \| 230 }}~~ ~~{{Elementbox_poissonratio \| 0.38 }}~~ ~~{{Elementbox_mohshardness \| 3.5 }}~~ ~~{{Elementbox_vickershardness_mpa \| 549 }}~~ ~~{{Elementbox_brinellhardness_mpa \| 392 }}~~ ~~{{Elementbox_cas_number \| 7440-06-4 }}~~ ~~{{Elementbox_isotopes_begin \| isotopesof=platinum \| color1=#ffc0c0 \| color2=black }}~~ ~~{{Elementbox_isotopes_decay \| mn=190 \| sym=Pt~~ ~~\| na=0.01% \| hl=6.5 E11 [[year\|y]]~~ ~~\| dm=[[alpha decay\|α]] \| de=3.18 \| pn=186 \| ps=[[osmium\|Os]] }}~~ ~~{{Elementbox_isotopes_decay \| mn=191 \| sym=Pt~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=2.96 d~~ ~~\| dm=[[electron capture\|ε]] \| de=? \| pn=191 \| ps=[[iridium\|Ir]] }}~~ ~~{{Elementbox_isotopes_stable \| mn=192 \| sym=Pt \| na=0.79% \| n=114 }}~~ ~~{{Elementbox_isotopes_decay \| mn=193[[Nuclear isomer\|m]] \| sym=Pt~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=4.33 d~~ ~~\| dm=[[Internal conversion\|IT]] \| de=0.1355[[Conversion electron\|e]] \| pn=193 \| ps=[[platinum\|Pt]] }}~~ ~~{{Elementbox_isotopes_decay \| mn=193 \| sym=Pt~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=50 [[year\|y]]~~ ~~\| dm=[[electron capture\|ε]] \| de=? \| pn=193 \| ps=[[iridium\|Ir]] }}~~ ~~{{Elementbox_isotopes_stable \| mn=194 \| sym=Pt \| na=32.9% \| n=116 }}~~ ~~{{Elementbox_isotopes_decay \| mn=195[[Nuclear isomer\|m]] \| sym=Pt~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=4.02 d~~ ~~\| dm=[[Internal conversion\|IT]] \| de=0.1297[[Conversion electron\|e]] \| pn=195 \| ps=[[platinum\|Pt]] }}~~ ~~{{Elementbox_isotopes_stable \| mn=195 \| sym=Pt \| na=33.8% \| n=117 }}~~ ~~{{Elementbox_isotopes_stable \| mn=196 \| sym=Pt \| na=25.3% \| n=118 }}~~ ~~{{Elementbox_isotopes_decay \| mn=197[[Nuclear isomer\|m]] \| sym=Pt~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=1.59 h~~ ~~\| dm=[[Internal conversion\|IT]] \| de=0.3465 \| pn=197 \| ps=[[platinum\|Pt]] }}~~ ~~{{Elementbox_isotopes_decay \| mn=197 \| sym=Pt~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=19.8913 h~~ ~~\| dm=[[beta emission\|β]]<sup>-</sup> \| de=0.719 \| pn=197 \| ps=[[gold\|Au]] }}~~ ~~{{Elementbox_isotopes_stable \| mn=198 \| sym=Pt \| na=7.2% \| n=120 }}~~ ~~{{Elementbox_isotopes_end}}~~ ~~{{Elementbox_footer \| color1=#ffc0c0 \| color2=black }}~~ {{unsur\|Platina\|Pt\|78}} Sebuah [[logam transisi]] yang berat, "malleable", "ductile", berharga, berwarna putih-keabuan. Platinum tahan karat dan terdapa dalam beberapa bijih [[nikel]] dan [[copper]]. Platinum digunakan dalam [[perhiasan]], peralatan laboratorium, gigi, dan peralatan [[kontrol emisi mobil]]. == Referensi == {{reflist}} * [http://periodic.lanl.gov/elements/78.html Los Alamos National Laboratory - Platinum] * ''[http://chartofthenuclides.com/default.html Nuclides and Isotopes] Fourteenth Edition: Chart of the Nuclides'', General Electric Company, 1989

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