Revisi per 7 Juni 2012 03.42 sunting EmausBot (bicara \| kontrib) Bot 580.493 suntingan k r2.7.3) (bot Mengubah: bs:Stroncij ← Revisi sebelumnya		Revisi per 19 Agustus 2012 09.32 sunting balikkan RaymondSutanto (bicara \| kontrib) Birokrat, Pengecualian blokir IP, Pengurus 31.411 suntingan ganti infobox Revisi selanjutnya →
Baris 1: {{Kotak info stronsium}} ~~{{Elementbox_header \| number=38 \| symbol=Sr \| name=stronsium \| left=[[rubidium]] \| right=[[yttrium]] \| above=[[calcium\|Ca]] \| below=[[barium\|Ba]] \| color1=#ffdead \| color2=black }}~~ {{unsur\|Stronsium\|Sr\|38}} Stronsium termasuk dalam [[logam alkali tanah]] dengan bentuk fisik putih keabu-abuan atau logam kekuningan yang sangat reaktif secara kimia. Logam ini akan berubah warna menjadi kuning ketika berkontak dengan udara. Unsur ini terdapat di dalam [[selestit]] dan [[strontianit]]. <sup>90</sup>Sr mempunyai lama [[waktu paruh]] sebesar 28,9 tahun. ~~{{Elementbox_series \| [[alkaline earth metal]]s }}~~ ~~{{Elementbox_groupperiodblock \| group=2 \| period=5 \| block=s }}~~ ~~{{Elementbox_appearance_img \| Sr,38\| silvery white metallic }}~~ ~~{{Elementbox_atomicmass_gpm \| [[1 E-25 kg\|87.62]][[List of elements by atomic mass\|(1)]] }}~~ ~~{{Elementbox_econfig \| [[[krypton\|Kr]]] 5s<sup>2</sup> }}~~ ~~{{Elementbox_epershell \| 2, 8, 18, 8, 2 }}~~ ~~{{Elementbox_section_physicalprop \| color1=#ffdead \| color2=black }}~~ ~~{{Elementbox_phase \| [[solid]] }}~~ ~~{{Elementbox_density_gpcm3nrt \| 2.64 }}~~ ~~{{Elementbox_densityliq_gpcm3mp \| 6.980 }}~~ ~~{{Elementbox_meltingpoint \| k=1050 \| c=777 \| f=1431 }}~~ ~~{{Elementbox_boilingpoint \| k=1655 \| c=1382 \| f=2520 }}~~ ~~{{Elementbox_heatfusion_kjpmol \| 7.43 }}~~ ~~{{Elementbox_heatvaporiz_kjpmol \| 136.9 }}~~ ~~{{Elementbox_heatcapacity_jpmolkat25 \| 26.4 }}~~ ~~{{Elementbox_vaporpressure_katpa \| 796 \| 882 \| 990 \| 1139 \| 1345 \| 1646 \| comment= }}~~ ~~{{Elementbox_section_atomicprop \| color1=#ffdead \| color2=black }}~~ ~~{{Elementbox_crystalstruct \| cubic face centered }}~~ ~~{{Elementbox_oxistates \| 2{{br}}(strongly [[base (chemistry)\|basic]] oxide) }}~~ ~~{{Elementbox_electroneg_pauling \| 0.95 }}~~ ~~{{Elementbox_ionizationenergies4 \| 549.5 \| 1064.2 \| 4138 }}~~ ~~{{Elementbox_atomicradius_pm \| [[1 E-10 m\|200]] }}~~ ~~{{Elementbox_atomicradiuscalc_pm \| [[1 E-10 m\|219]] }}~~ ~~{{Elementbox_covalentradius_pm \| [[1 E-10 m\|192]] }}~~ ~~{{Elementbox_section_miscellaneous \| color1=#ffdead \| color2=black }}~~ ~~{{Elementbox_magnetic \| [[paramagnetism\|paramagnetic]] }}~~ ~~{{Elementbox_eresist_ohmmat20 \| 132 n}}~~ ~~{{Elementbox_thermalcond_wpmkat300k \| 35.4 }}~~ ~~{{Elementbox_thermalexpansion_umpmkat25 \| 22.5 }}~~ ~~{{Elementbox_shearmodulus_gpa \| 6.1 }}~~ ~~{{Elementbox_poissonratio \| 0.28 }}~~ ~~{{Elementbox_mohshardness \| 1.5 }}~~ ~~{{Elementbox_cas_number \| 7440-24-6 }}~~ ~~{{Elementbox_isotopes_begin \| isotopesof=strontium \| color1=#ffdead \| color2=black }}~~ ~~{{Elementbox_isotopes_decay \| mn=82 \| sym=Sr~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=25.36 [[day\|d]]~~ ~~\| dm=[[electron capture\|ε]] \| de=- \| pn=82 \| ps= [[rubidium\|Rb]] }}~~ ~~{{Elementbox_isotopes_decay3 \| mn=83 \| sym=Sr~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=1.35 d~~ ~~\| dm1=ε \| de1=- \| pn1=83 \| ps1=[[rubidium\|Rb]]~~ ~~\| dm2=[[positron emission\|β<sup>+</sup>]] \| de2=1.23 \| pn2=83 \| ps2=[[rubidium\|Rb]]~~ ~~\| dm3=[[gamma radiation\|γ]] \| de3=0.76, 0.36 \| pn3= \| ps3=- }}~~ ~~{{Elementbox_isotopes_stable \| mn=84 \| sym=Sr \| na=0.56% \| n=46 }}~~ ~~{{Elementbox_isotopes_decay2 \| mn=85 \| sym=Sr~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=64.84 d~~ ~~\| dm1=ε \| de1=- \| pn1=85 \| ps1=[[rubidium\|Rb]]~~ ~~\| dm2=γ \| de2=0.514[[delayed nuclear radiation\|D]] \| pn2= \| ps2=- }}~~ ~~{{Elementbox_isotopes_stable \| mn=86 \| sym=Sr \| na=9.86% \| n=48 }}~~ ~~{{Elementbox_isotopes_stable \| mn=87 \| sym=Sr \| na=7.0% \| n=49 }}~~ ~~{{Elementbox_isotopes_stable \| mn=88 \| sym=Sr \| na=82.58% \| n=50 }}~~ ~~{{Elementbox_isotopes_decay2 \| mn=89 \| sym=Sr~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=50.52 d~~ ~~\| dm1=ε \| de1=1.49 \| pn1=89 \| ps1=[[yttrium\|Y]]~~ ~~\| dm2=[[beta decay\|β<sup>-</sup>]] \| de2=0.909D \| pn2= \| ps2=- }}~~ ~~{{Elementbox_isotopes_decay \| mn=90 \| sym=Sr~~ ~~\| na=[[synthetic radioisotope\|syn]] \| hl=28.90 [[year\|y]]~~ ~~\| dm=β<sup>-</sup> \| de=0.546 \| pn=90 \| ps=[[yttrium\|Y]] }}~~ ~~{{Elementbox_isotopes_end}}~~ ~~{{Elementbox_footer \| color1=#ffdead \| color2=black }}~~ {{unsur\|Stronsium\|Sr\|38}} An [[alkaline earth metal]], strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically. This metal turns yellow when exposed to air and occurs in [[celestite]] and [[strontianite]]. <sup>90</sup>Sr is present in [[radioactive]] [[nuclear fallout\|fallout]] and has a [[half-life]] of 28.90 years. {{clr}}

Stronsium: Perbedaan antara revisi