Nomor atom | 4 |
---|---|
Massa atom | 9.0121831 |
Nomor massa | 9 |
Golongan | 2 |
---|---|
Periode | 2 |
Blok | s |
Proton | 4 p+ |
---|---|
Neutron | 5 n0 |
Elektron | 4 e- |
Jari-Jari Atom | 105 pm
|
---|---|
Volume molar | 5 cm³/mol
|
Jari-jari kovalen | 102 pm
|
Metallic Radius | 89 pm
|
Jari-jari ion | 16 pm
|
Crystal Radius | 30 pm
|
Jari-jari van der Waals | 153 pm
|
kepadatan | 1,85 g/cm³
|
Energi | |
---|---|
proton affinity | |
Afinitas elektron | -2,4 eV/particle
|
Energi ionisasi | 9,322699 eV/particle
|
Panas penguapan | 309 kJ/mol
|
kalor peleburan | 12,21 kJ/mol
|
Perubahan entalpi pembentukan standar | 324 kJ/mol
|
Elektron | |
kelopak elektron | 2, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [He] 2s2ⓘ 1s2 2s2 |
bilangan oksidasi | 0, 1, 2 |
elektronegativitas | 1.57
|
Electrophilicity Index | 0,5110145863657444 eV/particle
|
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | 2.741,15 K
|
Titik lebur | 1.560,15 K
|
critical pressure | |
critical temperature | 5.205,15 K
|
Titik tripel | |
appearance | |
warna | Biru Keabu-abuan
|
appearance | white-gray metallic |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | 201 W/(m K)
|
Pemuaian | 0,0000113 1/K
|
molar heat capacity | 16,443 J/(mol K)
|
Kapasitas kalor molar | 1,825 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
tipe | Conductor |
konduktivitas listrik | 25 MS/m
|
resistivitas listrik | 0,00000003999999999998 m Ω
|
superkonduktivitas | 0,026 K
|
magnetisme | |
tipe | diamagnetic |
Suseptibilitas magnetik batuan (Mass) | -0,0000000126 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | -0,0000000001136 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | -0,00002328
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | Segienam Sederhana (HEX) |
Konstanta kisi | 2,29 Å
|
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
Kekerasan | 5,5 MPa
|
Modulus kompresi | 130 GPa
|
Modulus geser | 132 GPa
|
modulus Young | 287 GPa
|
Rasio Poisson | 0,032
|
kecepatan suara | 13.000 m/s
|
klasifikasi | |
Kategori | Logam alkali tanah, Alkaline earth metals |
CAS Group | IIA |
IUPAC Group | IIA |
Glawe Number | 77 |
Mendeleev Number | 75 |
Pettifor Number | 77 |
Geochemical Class | alkaline earth metal |
Klasifikasi Goldschmidt | litophile |
Isotop stabil | 1 |
---|---|
Isotop tidak stabil | 11 |
Natural Isotopes | 1 |
Nomor massa | 5 |
---|---|
nomor neutron | 1 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
p (proton emission) |
Nomor massa | 6 |
---|---|
nomor neutron | 2 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5 ± 0,3 zs
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1958 |
parity | + |
modus peluruhan | intensitas |
---|---|
2p (2-proton emission) | 100% |
Nomor massa | 7 |
---|---|
nomor neutron | 3 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 53,22 ± 0,06 d
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1938 |
parity | - |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 100% |
Nomor massa | 8 |
---|---|
nomor neutron | 4 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 81,9 ± 3,7 as
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1932 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 9 |
---|---|
nomor neutron | 5 |
bobot atom | |
g-factor | -0,78495333333333 ± 0,0000033333333333333
|
natural abundance | 100
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 3/2 |
nuclear quadrupole moment | 0,0529 ± 0,0004
|
tanggal penemuan | 1921 |
parity | - |
Nomor massa | 10 |
---|---|
nomor neutron | 6 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,387 ± 0,012 My
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1935 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 11 |
---|---|
nomor neutron | 7 |
bobot atom | |
g-factor | -3,3632 ± 0,0016
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 13,76 ± 0,07 s
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1958 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β−α (β−-delayed α emission) | 3.3% |
B-p | 0.0013% |
β− n (β−-delayed neutron emission) |
Nomor massa | 12 |
---|---|
nomor neutron | 8 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 21,46 ± 0,05 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1966 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.5% |
Nomor massa | 13 |
---|---|
nomor neutron | 9 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1 ± 0,7 zs
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1983 |
parity | - |
modus peluruhan | intensitas |
---|---|
n (neutron emission) |
Nomor massa | 14 |
---|---|
nomor neutron | 10 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,53 ± 0,27 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 86% |
2n (2-neutron emission) | 5% |
β− t (β−-delayed triton emission) | 0.02% |
β−α (β−-delayed α emission) | 0.004% |
Nomor massa | 15 |
---|---|
nomor neutron | 11 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 790 ± 270 ys
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2013 |
parity | + |
modus peluruhan | intensitas |
---|---|
n (neutron emission) | 100% |
Nomor massa | 16 |
---|---|
nomor neutron | 12 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 650 ± 130 ys
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2012 |
parity | + |
modus peluruhan | intensitas |
---|---|
2n (2-neutron emission) | 100% |
penemu atau pencipta | Fredrich Wöhler, A.A.Bussy |
---|---|
tempat penemuan | Germany/France |
tanggal penemuan | 1798 |
etimologi | Greek: beryllos, "beryl" (a mineral). |
pelafalan | beh-RIL-i-em (Inggris) |
1 | s | 0.3152 |
2 | s | 2.088 |