Nomor atom | 20 |
---|---|
Massa atom | 40.078 |
Nomor massa | 40 |
Golongan | 2 |
---|---|
Periode | 4 |
Blok | s |
Proton | 20 p+ |
---|---|
Neutron | 20 n0 |
Elektron | 20 e- |
Jari-Jari Atom | 180 pm
|
---|---|
Volume molar | 29,9 cm³/mol
|
Jari-jari kovalen | 171 pm
|
Metallic Radius | 174 pm
|
Jari-jari ion | 100 pm
|
Crystal Radius | 114 pm
|
Jari-jari van der Waals | 231 pm
|
kepadatan | 1,54 g/cm³
|
Energi | |
---|---|
proton affinity | |
Afinitas elektron | 0,02455 eV/particle
|
Energi ionisasi | 6,1131552 eV/particle
|
Panas penguapan | 153,6 kJ/mol
|
kalor peleburan | 9,2 kJ/mol
|
Perubahan entalpi pembentukan standar | 177,8 kJ/mol
|
Elektron | |
kelopak elektron | 2, 8, 8, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Ar] 4s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 |
bilangan oksidasi | 1, 2 |
elektronegativitas | 1
|
Electrophilicity Index | 0,7734001442996138 eV/particle
|
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | 1.757,15 K
|
Titik lebur | 1.115,15 K
|
critical pressure | |
critical temperature | |
Titik tripel | |
appearance | |
warna | Perak
|
appearance | |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | |
Pemuaian | 0,0000223 1/K
|
molar heat capacity | 25,929 J/(mol K)
|
Kapasitas kalor molar | 0,647 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
tipe | Conductor |
konduktivitas listrik | 29 MS/m
|
resistivitas listrik | 0,00000003399999999999 m Ω
|
superkonduktivitas | |
magnetisme | |
tipe | paramagnetic |
Suseptibilitas magnetik batuan (Mass) | 0,0000000138 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | 0,0000000005531 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | 0,00002139
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | Kubik Berpusat-muka (FCC) |
Konstanta kisi | 5,58 Å
|
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
Kekerasan | 1,75 MPa
|
Modulus kompresi | 17 GPa
|
Modulus geser | 7,4 GPa
|
modulus Young | 20 GPa
|
Rasio Poisson | 0,31
|
kecepatan suara | 3.810 m/s
|
klasifikasi | |
Kategori | Logam alkali tanah, Alkaline earth metals |
CAS Group | IIA |
IUPAC Group | IIA |
Glawe Number | 16 |
Mendeleev Number | 7 |
Pettifor Number | 16 |
Geochemical Class | major |
Klasifikasi Goldschmidt | litophile |
Isotop stabil | 3 |
---|---|
Isotop tidak stabil | 26 |
Natural Isotopes | 6 |
Nomor massa | 33 |
---|---|
nomor neutron | 13 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
p (proton emission) |
Nomor massa | 34 |
---|---|
nomor neutron | 14 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
2p (2-proton emission) |
Nomor massa | 35 |
---|---|
nomor neutron | 15 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 25,7 ± 0,2 ms
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 95.8% |
2p (2-proton emission) | 4.2% |
Nomor massa | 36 |
---|---|
nomor neutron | 16 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 100,9 ± 1,3 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 51.2% |
Nomor massa | 37 |
---|---|
nomor neutron | 17 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 181 ± 0,9 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1964 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 76.8% |
Nomor massa | 38 |
---|---|
nomor neutron | 18 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 443,7 ± 0,25 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1966 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 39 |
---|---|
nomor neutron | 19 |
bobot atom | |
g-factor | 0,68093333333333 ± 0,00010666666666667
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 860,3 ± 0,8 ms
|
Spin | 3/2 |
nuclear quadrupole moment | 0,038 ± 0,003
|
tanggal penemuan | 1943 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 40 |
---|---|
nomor neutron | 20 |
bobot atom | |
g-factor | 0
|
natural abundance | 96,941 ± 0,156
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1922 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β+ (double β+ decay) |
Nomor massa | 41 |
---|---|
nomor neutron | 21 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 99,4 ± 1,5 ky
|
Spin | 7/2 |
nuclear quadrupole moment | -0,0665 ± 0,0018
|
tanggal penemuan | 1939 |
parity | - |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 100% |
Nomor massa | 42 |
---|---|
nomor neutron | 22 |
bobot atom | |
g-factor | 0
|
natural abundance | 0,647 ± 0,023
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1934 |
parity | + |
Nomor massa | 43 |
---|---|
nomor neutron | 23 |
bobot atom | |
g-factor | -0,37638 ± 0,000017142857142857
|
natural abundance | 0,135 ± 0,01
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 7/2 |
nuclear quadrupole moment | -0,0408 ± 0,0008
|
tanggal penemuan | 1934 |
parity | - |
Nomor massa | 44 |
---|---|
nomor neutron | 24 |
bobot atom | |
g-factor | 0
|
natural abundance | 2,086 ± 0,11
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1922 |
parity | + |
Nomor massa | 45 |
---|---|
nomor neutron | 25 |
bobot atom | |
g-factor | -0,37897142857143 ± 0,00037142857142857
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 162,61 ± 0,09 d
|
Spin | 7/2 |
nuclear quadrupole moment | 0,038 ± 0,012
|
tanggal penemuan | 1940 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 46 |
---|---|
nomor neutron | 26 |
bobot atom | |
g-factor | 0
|
natural abundance | 0,004 ± 0,003
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1938 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β− (double β− decay) |
Nomor massa | 47 |
---|---|
nomor neutron | 27 |
bobot atom | |
g-factor | -0,40182857142857 ± 0,00031428571428571
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,536 ± 0,003 d
|
Spin | 7/2 |
nuclear quadrupole moment | 0,084 ± 0,006
|
tanggal penemuan | 1951 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 48 |
---|---|
nomor neutron | 28 |
bobot atom | |
g-factor | 0
|
natural abundance | 0,187 ± 0,021
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 56 ± 10 Ey
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1938 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β− (double β− decay) | |
β− (β− decay) |
Nomor massa | 49 |
---|---|
nomor neutron | 29 |
bobot atom | |
g-factor | -0,91993333333333 ± 0,00053333333333333
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,718 ± 0,006 m
|
Spin | 3/2 |
nuclear quadrupole moment | -0,036 ± 0,003
|
tanggal penemuan | 1950 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 50 |
---|---|
nomor neutron | 30 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 13,45 ± 0,05 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1964 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 51 |
---|---|
nomor neutron | 31 |
bobot atom | |
g-factor | -0,69973333333333 ± 0,00073333333333333
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10 ± 0,8 s
|
Spin | 3/2 |
nuclear quadrupole moment | 0,036 ± 0,012
|
tanggal penemuan | 1980 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 52 |
---|---|
nomor neutron | 32 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,6 ± 0,3 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 2% |
Nomor massa | 53 |
---|---|
nomor neutron | 33 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 461 ± 90 ms
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1983 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 40% |
Nomor massa | 54 |
---|---|
nomor neutron | 34 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 90 ± 6 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1997 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 55 |
---|---|
nomor neutron | 35 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 22 ± 2 ms
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1997 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 56 |
---|---|
nomor neutron | 36 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 11 ± 2 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1997 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 57 |
---|---|
nomor neutron | 37 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2009 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 58 |
---|---|
nomor neutron | 38 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2009 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 59 |
---|---|
nomor neutron | 39 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2018 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 60 |
---|---|
nomor neutron | 40 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2018 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 61 |
---|---|
nomor neutron | 41 |
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 |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
penemu atau pencipta | Sir Humphrey Davy |
---|---|
tempat penemuan | England |
tanggal penemuan | 1808 |
etimologi | Latin: calx, calcis (lime). |
pelafalan | KAL-si-em (Inggris) |
1 | s | 0.527 |
2 | p | 3.9586 |
2 | s | 6.2236 |
3 | p | 11.3417 |
3 | s | 10.3985 |
4 | s | 15.602 |