Mendeleviy

Mendeleviy (Md)

chemical element with the atomic number of 101 and symbol Md
Atomic Number101
Atomic Weight258
mass number244
Group
Period7
Blockf
Proton101 p+
Neytron143 n0
Elektron101 e-
Animated Bohr model of Md (Mendeleviy)

Fizik Xossa

Atom Radiusi
Molyar hajm
Kovalentlik Radiusi
Metallic Radius
Ion radiuslar
Crystal Radius
Van der Waals radius
density

Chemical Property

energiya
proton affinity
electron affinity
ionization energy
ionization energy of Md (Mendeleviy)
Solishtirma qaynash issiqligi
solishtirma erish issiqligi
standard enthalpy of formation
Elektron
Ion asboblar2, 8, 18, 32, 31, 8, 2
Bohr model: Md (Mendeleviy)
valence electron2
Lewis structure: Md (Mendeleviy)
electron configuration[Rn] 5f13 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f13 7s2
Enhanced Bohr model of Md (Mendeleviy)
Orbital Diagram of Md (Mendeleviy)
Oksidlanish darajasi2, 3
Elektrmanfiylik
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Rang
Colorless
appearance
refractive index
thermodynamic material property
Thermal Conductivity
Issiqlikdan kengayish
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
Magnetizm
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Kyuri nuqtasi
Néel temperature
Tuzilma
Crystal Structure ()
Kristall panjara davri
Lattice Angles
mechanical property
Qattiqlik
bulk modulus
shear modulus
Yung moduli
Poisson's ratio
Tovush tezligi
klassifikatsiya
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number45
Mendeleev Number38
Pettifor Number36
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
Atom kvant sonlari2F7/2
space group ()

Isotopes of Mendelevium

Stable Isotopes0
Unstable Isotopes19
Natural Isotopes0

244Md

mass number244
neutron number143
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
0,36 ± 0,14 s
spin3
nuclear quadrupole moment
time of discovery or invention2020
parity+

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

245Md

mass number245
neutron number144
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
0,38 ± 0,1 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1996
parity-

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

246Md

mass number246
neutron number145
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
0,92 ± 0,18 s
spin1
nuclear quadrupole moment
time of discovery or invention1996
parity-

decay modeintensity
α (α emission)100%

247Md

mass number247
neutron number146
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,19 ± 0,09 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1981
parity-

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

248Md

mass number248
neutron number147
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
7 ± 3 s
spin
nuclear quadrupole moment
time of discovery or invention1973
parity

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

249Md

mass number249
neutron number148
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
25,6 ± 0,9 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1973
parity-

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

250Md

mass number250
neutron number149
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
54 ± 4 s
spin2
nuclear quadrupole moment
time of discovery or invention1973
parity-

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

251Md

mass number251
neutron number150
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
4,21 ± 0,23 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1973
parity-

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

252Md

mass number252
neutron number151
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,3 ± 0,8 m
spin1
nuclear quadrupole moment
time of discovery or invention1973
parity+

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

253Md

mass number253
neutron number152
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
12 ± 8 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1992
parity-

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

254Md

mass number254
neutron number153
Nisbiy Atom Massa
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
10 ± 3 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1970
parity-

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

255Md

mass number255
neutron number154
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
27 ± 2 m
spin7/2
nuclear quadrupole moment
time of discovery or invention1958
parity-

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

256Md

mass number256
neutron number155
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
77,7 ± 1,8 m
spin1
nuclear quadrupole moment
time of discovery or invention1955
parity-

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

257Md

mass number257
neutron number156
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
5,52 ± 0,05 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1965
parity-

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

258Md

mass number258
neutron number157
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
51,59 ± 0,29 d
spin8
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

259Md

mass number259
neutron number158
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,6 ± 0,06 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1982
parity-

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

260Md

mass number260
neutron number159
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
27,8 ± 0,8 d
spin
nuclear quadrupole moment
time of discovery or invention1989
parity

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

261Md

mass number261
neutron number160
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
α (α emission)

262Md

mass number262
neutron number161
Nisbiy Atom Massa
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin
nuclear quadrupole moment
time of discovery or invention
parity

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

tarix

discoverer or inventorG.T.Seaborg, S.G.Tompson, A.Ghiorso, K.Street Jr.
location of discoveryUnited States
time of discovery or invention1955
EtimologiyaNamed in honor of the scientist Dmitri Ivanovitch Mendeleyev, who devised the periodic table.
pronunciationmen-deh-LEE-vi-em (inglizcha)

source

Abundance
Abundance in Earth's crust
natural abundance (Okean)
natural abundance (Inson tanasi)
0 %
natural abundance (Meteoroid)
0 %
natural abundance (Quyosh)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants