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Baris 6: Baris 6:
|left=[[litium]]
|left=[[litium]]
|right=[[boron]]
|right=[[boron]]
|above=-
|above=–
|below=[[magnesium|Mg]]
|below=[[magnesium|Mg]]
|series=logam alkali tanah
|series=logam alkali tanah
Baris 15: Baris 15:
|series color=
|series color=
|phase color=
|phase color=
|appearance= putih abu-abu metalik
|appearance= metalik putih abu-abu
|image name=Be-140g.jpg
|image name=Berkas:Be-140g.jpg
|image name comment=
|image name comment=Sampel berilium
|image size=150px
|image size=150px
|image name 2=
|image upright=0.65
|image name 2 comment=
|image name 2=Berkas:Beryllium spectrum visible.png
|image name 2 comment=Garis spektrum berilium
⚫
|atomic mass=9.012182
|atomic mass 2=3
|atomic mass=
⚫
|atomic mass 2=
|atomic mass comment=
|atomic mass comment=
|electron configuration=1s<sup>2</sup> 2s<sup>2</sup>
|electron configuration=1s<sup>2</sup> 2s<sup>2</sup>
Baris 28: Baris 29:
|color=
|color=
|ExternalMSDS=[http://espi-metals.com/msds's/beryllium.pdf ESPI Metals]
|ExternalMSDS=[http://espi-metals.com/msds's/beryllium.pdf ESPI Metals]
|phase=solid
|phase=padat
|phase comment=
|phase comment=
|density gplstp=
|density gplstp=
|density gpcm3nrt=1.85
|density gpcm3nrt=1,85
|density gpcm3mp=1.690
|density gpcm3mp=1,690
|melting point K=1560
|melting point K=1560
|melting point C=1287
|melting point C=1287
Baris 41: Baris 42:
|triple point K=
|triple point K=
|triple point kPa=
|triple point kPa=
|critical point K=
|critical point K=5205
|critical point MPa=
|critical point MPa=
|critical point comment=''(diekstrapolasi)''
|heat fusion=12.2
|heat vaporization=297
|heat fusion=12,2
|heat capacity=16.443
|heat vaporization=292
|heat capacity=16,443
|vapor pressure 1=1462
|vapor pressure 1=1462
|vapor pressure 10=1608
|vapor pressure 10=1608
Baris 54: Baris 56:
|vapor pressure comment=
|vapor pressure comment=
|crystal structure=heksagonal
|crystal structure=heksagonal
|oxidation states='''2''', 1<ref>{{cite web|url=http://bernath.uwaterloo.ca/media/252.pdf|title=Beryllium: Beryllium(I) Hydride compound data|accessdate=2007-12-10|publisher=bernath.uwaterloo.ca}}</ref>
|oxidation states=0, +1,<ref>{{cite web|url=http://bernath.uwaterloo.ca/media/252.pdf|title=Beryllium: Beryllium(I) Hydride compound data|accessdate=10 Desember 2007|publisher=bernath.uwaterloo.ca}}</ref> '''+2'''
|oxidation states comment=oksida [[amfoter]]
|oxidation states comment=(oksida [[amfoterisme|amfoter]])
|electronegativity=1.57
|electronegativity=1,57
|number of ionization energies=4
|number of ionization energies=4
|1st ionization energy=899.5
|ionization energy 1=899,5
|2nd ionization energy=1757.1
|ionization energy 2=1757,1
|3rd ionization energy=14848.7
|ionization energy 3=14.848,7
|atomic radius=[[1 E-10 m|112]]
|atomic radius=112
|atomic radius calculated=
|atomic radius calculated=
|covalent radius=[[1 E-11 m|96±3]]
|covalent radius=96±3
|Van der Waals radius=[[1 E-10 m|153]]
|Van der Waals radius=153
|magnetic ordering=[[diamagnetisme|diamagnetik]]
|magnetic ordering=[[diamagnetik]]
|electrical resistivity=
|electrical resistivity=
|electrical resistivity at 0=
|electrical resistivity at 0=
|electrical resistivity at 20=36 n
|electrical resistivity at 20=36
|thermal conductivity=200
|thermal conductivity=200
|thermal conductivity 2=
|thermal conductivity 2=
|thermal diffusivity=
|thermal diffusivity=
|thermal expansion=
|thermal expansion=
|thermal expansion at 25=11.3
|thermal expansion at 25=11,3
|speed of sound=
|speed of sound=
|speed of sound rod at r.t.=12870<ref>{{RubberBible86th|page=14-39}}</ref>
|speed of sound rod at r.t.=12.890<ref>{{RubberBible86th|page=14-39}}</ref>
|magnetic susceptibility= {{val|−9.0|e=−6}}
|magnetic susceptibility ref= <ref>{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}</ref>
|Young's modulus=287
|Young's modulus=287
|Shear modulus=132
|Shear modulus=132
|Bulk modulus=130
|Bulk modulus=130
|Poisson ratio=0.032
|Poisson ratio=0,032
|Mohs hardness=5.5
|Mohs hardness=5,5
|Vickers hardness=1670
|Vickers hardness=1670
|Brinell hardness=600
|Brinell hardness=590–1320
|CAS number=7440-41-7
|CAS number=7440-41-7
|isotopes=
|isotopes=
{{infobox element/isotopes decay2 | mn=7 | sym=Be | na=[[trace radioisotope|renik]] | hl=53.12&nbsp;d | dm1=[[electron capture|ε]] | de1=0.862 | link1=lithium-7 | pn1=7 | ps1=Li
{{infobox element/isotopes decay2 | mn=7 | sym=Be | na=[[Radioisotop renik|renik]] | hl=53,12&nbsp;hri | dm1=[[Penangkapan elektron|ε]] | de1=0,862 | link1=litium-7 | pn1=7 | ps1=Li
|dm2=[[gamma radiation|γ]] | de2=0.477 | pn2= | ps2=– }}
|dm2=[[Sinar gama|γ]] | de2=0,477 | pn2= | ps2=– }}
{{Infobox element/isotopes stable | mn=9 | sym=Be | na=100% | n=5 |firstlinks=yes}}
{{Infobox element/isotopes stable | mn=9 | sym=Be | na=100% | n=5 |firstlinks=yes}}
{{infobox element/isotopes decay | mn=10 | sym=Be | na=renik | link=Beryllium-10 | hl=1.39×10<sup>6</sup>&nbsp;y | dm=[[beta emission|β<sup>−</sup>]] | de=0.556 | link1=boron-10 | pn=10 | ps=B}}
{{infobox element/isotopes decay | mn=10 | sym=Be | na=renik | link=Berilium-10 | hl=1,39{{e|6}} thn | dm=[[Peluruhan beta|β<sup>−</sup>]] | de=0,556 | link1=boron-10 | pn=10 | ps=B}}
|predicted by=
|predicted by=
|prediction date=
|prediction date=
|discovered by=[[Louis Nicolas Vauquelin|L. Vauquelin]]
|discovered by=[[Louis Nicolas Vauquelin|L. Vauquelin]]
|discovery date=1797
|discovery date=1798
|first isolation by=[[Friedrich Wöhler|F. Wöhler]] & [[Antoine Bussy|A. Bussy]]
|first isolation by=[[Friedrich Wöhler|F. Wöhler]] & [[Antoine Bussy|A. Bussy]]
|first isolation date=1828
|first isolation date=1828
|history comment label=
|history comment label=
|history comment=
|history comment=
|QID=Q569
}}
}}
<noinclude>
<noinclude>

Revisi terkini sejak 16 Maret 2023 16.49

4Be
Berilium
Sampel berilium
Garis spektrum berilium
Sifat umum
Pengucapan/bèrilium/[1]
Penampilanmetalik putih abu-abu
Berilium dalam tabel periodik
Perbesar gambar

4Be
Hidrogen Helium
Lithium Berilium Boron Karbon Nitrogen Oksigen Fluor Neon
Natrium Magnesium Aluminium Silikon Fosfor Sulfur Clor Argon
Potasium Kalsium Skandium Titanium Vanadium Chromium Mangan Besi Cobalt Nikel Tembaga Seng Gallium Germanium Arsen Selen Bromin Kripton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
–
↑
Be
↓
Mg
litium ← berilium → boron
Lihat bagan navigasi yang diperbesar
Nomor atom (Z)4
Golongangolongan 2 (logam alkali tanah)
Periodeperiode 2
Blokblok-s
Kategori unsur  logam alkali tanah
Berat atom standar (Ar)
  • 9,0121831±0,0000005
  • 9,0122±0,0001 (diringkas)
Konfigurasi elektron1s2 2s2
Elektron per kelopak2, 2
Sifat fisik
Fase pada STS (0 °C dan 101,325 kPa)padat
Titik lebur1560 K ​(1287 °C, ​2349 °F)
Titik didih2742 K ​(2469 °C, ​4476 °F)
Kepadatan mendekati s.k.1,85 g/cm3
saat cair, pada t.l.1,690 g/cm3
Titik kritis5205 K,  MPa (diekstrapolasi)
Kalor peleburan12,2 kJ/mol
Kalor penguapan292 kJ/mol
Kapasitas kalor molar16,443 J/(mol·K)
Tekanan uap
P (Pa) 1 10 100 1 k 10 k 100 k
pada T (K) 1462 1608 1791 2023 2327 2742
Sifat atom
Bilangan oksidasi0,[2] +1,[3] +2 (oksida amfoter)
ElektronegativitasSkala Pauling: 1,57
Energi ionisasike-1: 899,5 kJ/mol
ke-2: 1757,1 kJ/mol
ke-3: 14.848,7 kJ/mol
(artikel)
Jari-jari atomempiris: 112 pm
Jari-jari kovalen96±3 pm
Jari-jari van der Waals153 pm
Lain-lain
Kelimpahan alamiprimordial
Struktur kristal ​heksagon
Struktur kristal Heksagonal untuk berilium
Kecepatan suara batang ringan12.890[4] m/s (pada s.k.)
Ekspansi kalor11,3 µm/(m·K) (suhu 25 °C)
Konduktivitas termal200 W/(m·K)
Resistivitas listrik36 Ω·m (suhu 20 °C)
Arah magnetdiamagnetik
Suseptibilitas magnetik molar−9,0×10−6 cm3/mol[5]
Modulus Young287 GPa
Modulus Shear132 GPa
Modulus curah130 GPa
Rasio Poisson0,032
Skala Mohs5,5
Skala Vickers1670 MPa
Skala Brinell590–1320 MPa
Nomor CAS7440-41-7
Sejarah
PenemuanL. Vauquelin (1798)
Isolasi pertamaF. Wöhler & A. Bussy (1828)
Isotop berilium yang utama
Iso­top Kelim­pahan Waktu paruh (t1/2) Mode peluruhan Pro­duk
7Be renik 53,12 hri ε 7Li
γ –
9Be 100% stabil
10Be renik 1,39×106 thn β− 10B
| referensi | di Wikidata
<nama unsur>PT
 ←
iso0Be
 
 → H

Referensi

Daftar referensi akan muncul dalam artikel utama.
  1. ^ (Indonesia) "Berilium". KBBI Daring. Diakses tanggal 17 Juli 2022. 
  2. ^ Be(0) telah teramati; lihat "Beryllium(0) Complex Found". Chemistry Europe. 13 Juni 2016. 
  3. ^ "Beryllium: Beryllium(I) Hydride compound data" (PDF). bernath.uwaterloo.ca. Diakses tanggal 16 Juli 2022. 
  4. ^ Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (edisi ke-86). Boca Raton (FL): CRC Press. hlm. 14-39. ISBN 0-8493-0486-5. 
  5. ^ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. hlm. E110. ISBN 0-8493-0464-4. 
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