Mendelevij

Mendelevij (Md)

chemical element with the atomic number of 101 and symbol Md
Atomski broj101
Relativna atomska masa258
Maseni broj244
Skupina
Perioda7
Blokf
proton101 p+
neutron143 n0
elektron101 e-
Animated Bohrov model atoma of Md (Mendelevij)

Physical Property

Atomski Radijus
Molni volumen
Kovalentni Radijus
Metallic Radius
Ionski radijus
Crystal Radius
Van der Waals radius
gustoća

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
ionization energy of Md (Mendelevij)
Toplina isparivanja
toplina taljenja
standard enthalpy of formation
elektron
Elektronska ljuska2, 8, 18, 32, 31, 8, 2
Bohrov model atoma: Md (Mendelevij)
valence electron2
Lewis structure: Md (Mendelevij)
electron configuration[Rn] 5f13 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f13 7s2
Enhanced Bohrov model atoma of Md (Mendelevij)
Orbital Diagram of Md (Mendelevij)
Oksidacijski broj2, 3
Elektronegativnost
Electrophilicity Index
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
Talište
critical pressure
critical temperature
Trojna točka
appearance
boja
Bezbojan
appearance
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
molar heat capacity
Specifični toplinski kapacitet
heat capacity ratio
electrical properties
type
electrical conductivity
Električna otpornost i provodnost
Supravodljivost
Magnetizam
type
Magnetna susceptibilnost (Mass)
Magnetna susceptibilnost (Molar)
Magnetna susceptibilnost (Volume)
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura ()
lattice constant
Lattice Angles
mechanical property
Tvrdoća
bulk modulus
shear modulus
Youngov modul elastičnosti
Poissonov omjer
brzina zvuka
classification
KategorijaAktinoidi, Actinides
CAS Group
IUPAC Group
Glawe Number45
Mendeleev Number38
Pettifor Number36
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek
Neutron Mass Absorption
Kvantni brojevi2F7/2
space group ()

Isotopes of Mendelevium

Stabilni izotopi0
Nestabilni izotopi19
Natural Isotopes0

244Md

Maseni broj244
neutron number143
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
0,36 ± 0,14 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma2020
Parnost+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)
β+ SF (β+-delayed fission)14%

245Md

Maseni broj245
neutron number144
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
0,38 ± 0,1 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1996
Parnost-

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

246Md

Maseni broj246
neutron number145
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
0,92 ± 0,18 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1996
Parnost-

decay modeintensity
α (α emission)100%

247Md

Maseni broj247
neutron number146
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,19 ± 0,09 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1981
Parnost-

decay modeintensity
α (α emission)100%
SF (spontaneous fission)0.1%

248Md

Maseni broj248
neutron number147
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7 ± 3 s
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)80%
α (α emission)20%
β+ SF (β+-delayed fission)0.05%

249Md

Maseni broj249
neutron number148
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25,6 ± 0,9 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost-

decay modeintensity
α (α emission)75%
β+ (β+ decay; β+ = ϵ + e+)

250Md

Maseni broj250
neutron number149
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
54 ± 4 s
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)93%
α (α emission)7%
β+ SF (β+-delayed fission)0.026%

251Md

Maseni broj251
neutron number150
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,21 ± 0,23 m
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)10%

252Md

Maseni broj252
neutron number151
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,3 ± 0,8 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)

253Md

Maseni broj253
neutron number152
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12 ± 8 m
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1992
Parnost-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.7%

254Md

Maseni broj254
neutron number153
Relativna Atomska Masa
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10 ± 3 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1970
Parnost-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)

255Md

Maseni broj255
neutron number154
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
27 ± 2 m
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1958
Parnost-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)93%
α (α emission)7%
SF (spontaneous fission)

256Md

Maseni broj256
neutron number155
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
77,7 ± 1,8 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1955
Parnost-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)90.8%
α (α emission)9.2%
SF (spontaneous fission)3%

257Md

Maseni broj257
neutron number156
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,52 ± 0,05 h
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1965
Parnost-

decay modeintensity
ϵ (electron capture)85%
α (α emission)15%
SF (spontaneous fission)

258Md

Maseni broj258
neutron number157
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
51,59 ± 0,29 d
spin8
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost-

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)0.0015%
β (β decay)0.0015%

259Md

Maseni broj259
neutron number158
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,6 ± 0,06 h
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1982
Parnost-

decay modeintensity
SF (spontaneous fission)100%
α (α emission)

260Md

Maseni broj260
neutron number159
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
27,8 ± 0,8 d
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma1989
Parnost

decay modeintensity
SF (spontaneous fission)100%
α (α emission)5%
ϵ (electron capture)5%
β (β decay)3.5%

261Md

Maseni broj261
neutron number160
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
α (α emission)

262Md

Maseni broj262
neutron number161
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost

decay modeintensity
SF (spontaneous fission)
α (α emission)
Electron shell 101 Mendelevium

povijest

otkrio/izumioG.T.Seaborg, S.G.Tompson, A.Ghiorso, K.Street Jr.
location of discoveryUnited States
vrijeme otkrića ili izuma1955
EtimologijaNamed in honor of the scientist Dmitri Ivanovitch Mendeleyev, who devised the periodic table.
pronunciationmen-deh-LEE-vi-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
natural abundance (tijelo)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Sunce)
0 %
Zastupljenost u svemiru
0 %

Nuclear Screening Constants