Radium

Radium (Ra)

chemical element with the atomic number of 88
Atomic Number88
Atomic Weight226
Numri i masës201
Group2
Period7
Blocks
protoni88 p+
neutroni113 n0
elektroni88 e-
Animated Bohr model of Ra (Radium)

Tipar Fizik

Atomic Radius
215 pm
molar volume
covalent radius
201 pm
Metallic Radius
ionic radius
148 pm
Crystal Radius
162 pm
Van der Waals radius
283 pm
density
Atomic Radii Of The Elements: Radium020406080100120140160180200220240260280300pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
5,278424 eV/particle
ionization energy of Ra (Radium)
enthalpy of vaporization
113 kJ/mol
enthalpy of fusion
9,6 kJ/mol
standard enthalpy of formation
159 kJ/mol
elektroni
electron shell2, 8, 18, 32, 18, 8, 2
Bohr model: Ra (Radium)
valence electron2
Lewis structure: Ra (Radium)
konfigurimi i elektronit[Rn] 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2
Enhanced Bohr model of Ra (Radium)
Orbital Diagram of Ra (Radium)
oxidation number2
Elektronegativiteti
0.9
Electrophilicity Index
0,6982685447294388 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
Melting Point
969,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Silver
appearancesilvery white metallic
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1 MS/m
electrical resistivity
0,000001 m Ω
Superpërcjellshmëria
Magnetizimi
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal StructureBody Centered Cubic ()
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Shpejtësia e zërit
klasifikim
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number13
Mendeleev Number10
Pettifor Number13
Geochemical ClassU/Th decay series
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
246 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
13
Neutron Mass Absorption
numër kuantik1S0
space group229 (Im_3m)

Isotopes of Radium

Stable Isotopes0
Unstable Isotopes35
Natural Isotopes0

201Ra

Numri i masës201
numri i neutroneve113
relative atomic mass
201,012814699 ± 0,000021794 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
20 ± 30 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2005
parity-

decay modeintensitet
α (α emission)100%

202Ra

Numri i masës202
numri i neutroneve114
relative atomic mass
202,009742305 ± 0,000016122 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,1 ± 1,1 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2005
parity+

decay modeintensitet
α (α emission)100%

203Ra

Numri i masës203
numri i neutroneve115
relative atomic mass
203,009233907 ± 0,0000104 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
36 ± 13 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1996
parity-

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

204Ra

Numri i masës204
numri i neutroneve116
relative atomic mass
204,006506855 ± 0,00000958 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
60 ± 9 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1995
parity+

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

205Ra

Numri i masës205
numri i neutroneve117
relative atomic mass
205,006230692 ± 0,000024446 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
220 ± 50 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity-

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

206Ra

Numri i masës206
numri i neutroneve118
relative atomic mass
206,003827842 ± 0,000019332 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
240 ± 20 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

207Ra

Numri i masës207
numri i neutroneve119
relative atomic mass
207,00377242 ± 0,000062572 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,38 ± 0,18 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity-

decay modeintensitet
α (α emission)86%
β+ (β+ decay; β+ = ϵ + e+)

208Ra

Numri i masës208
numri i neutroneve120
relative atomic mass
208,001855012 ± 0,000009686 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,11 ± 0,045 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

decay modeintensitet
α (α emission)87%
β+ (β+ decay; β+ = ϵ + e+)

209Ra

Numri i masës209
numri i neutroneve121
relative atomic mass
209,001994902 ± 0,000006169 Da
g-factor
0,3444 ± 0,0052
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,71 ± 0,08 s
Spini5/2
nuclear quadrupole moment
0,39 ± 0,04
koha e zbulimit apo shpikjes1967
parity-

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

210Ra

Numri i masës210
numri i neutroneve122
relative atomic mass
210,000475406 ± 0,000009868 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4 ± 0,1 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

211Ra

Numri i masës211
numri i neutroneve123
relative atomic mass
211,000893049 ± 0,000005331 Da
g-factor
0,3496 ± 0,0016
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12,6 ± 1,2 s
Spini5/2
nuclear quadrupole moment
0,46 ± 0,04
koha e zbulimit apo shpikjes1967
parity-

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

212Ra

Numri i masës212
numri i neutroneve124
relative atomic mass
211,999786619 ± 0,000011007 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
13 ± 0,2 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

decay modeintensitet
α (α emission)
β+ (β+ decay; β+ = ϵ + e+)

213Ra

Numri i masës213
numri i neutroneve125
relative atomic mass
213,000370971 ± 0,00001054 Da
g-factor
1,22 ± 0,004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,73 ± 0,05 m
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1955
parity-

decay modeintensitet
α (α emission)87%
β+ (β+ decay; β+ = ϵ + e+)13%

214Ra

Numri i masës214
numri i neutroneve126
relative atomic mass
214,00009956 ± 0,000005636 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,437 ± 0,016 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

decay modeintensitet
α (α emission)99.941%
β+ (β+ decay; β+ = ϵ + e+)0.059%

215Ra

Numri i masës215
numri i neutroneve127
relative atomic mass
215,002718208 ± 0,00000773 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,669 ± 0,009 ms
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity+

decay modeintensitet
α (α emission)100%

216Ra

Numri i masës216
numri i neutroneve128
relative atomic mass
216,003533534 ± 0,000008592 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
172 ± 7 ns
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1972
parity+

decay modeintensitet
α (α emission)100%
ϵ (electron capture)1%

217Ra

Numri i masës217
numri i neutroneve129
relative atomic mass
217,006322676 ± 0,000007564 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,95 ± 0,12 us
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1970
parity+

decay modeintensitet
α (α emission)100%

218Ra

Numri i masës218
numri i neutroneve130
relative atomic mass
218,007134297 ± 0,000010528 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
25,91 ± 0,14 us
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1970
parity+

decay modeintensitet
α (α emission)100%

219Ra

Numri i masës219
numri i neutroneve131
relative atomic mass
219,010084715 ± 0,000007315 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9 ± 2 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity

decay modeintensitet
α (α emission)100%

220Ra

Numri i masës220
numri i neutroneve132
relative atomic mass
220,011027542 ± 0,000008153 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
18,1 ± 1,2 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1949
parity+

decay modeintensitet
α (α emission)100%

221Ra

Numri i masës221
numri i neutroneve133
relative atomic mass
221,013917293 ± 0,00000497 Da
g-factor
-0,0716 ± 0,00068
natural abundance
Radioaktivitet☢️ radioactive element
half-life
25 ± 4 s
Spini5/2
nuclear quadrupole moment
1,92 ± 0,06
koha e zbulimit apo shpikjes1949
parity+

decay modeintensitet
α (α emission)100%
14C1.2%

222Ra

Numri i masës222
numri i neutroneve134
relative atomic mass
222,015373371 ± 0,000004781 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
33,6 ± 0,4 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1948
parity+

decay modeintensitet
α (α emission)100%
14C3%

223Ra

Numri i masës223
numri i neutroneve135
relative atomic mass
223,018500648 ± 0,000002243 Da
g-factor
0,17946666666667 ± 0,00053333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
11,4352 ± 0,001 d
Spini3/2
nuclear quadrupole moment
1,22 ± 0,03
koha e zbulimit apo shpikjes1905
parity+

decay modeintensitet
α (α emission)100%
14C8.9%

224Ra

Numri i masës224
numri i neutroneve136
relative atomic mass
224,020210361 ± 0,000001944 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,6316 ± 0,0014 d
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1902
parity+

decay modeintensitet
α (α emission)100%
14C4%

225Ra

Numri i masës225
numri i neutroneve137
relative atomic mass
225,023610502 ± 0,000002786 Da
g-factor
-1,46 ± 0,004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
14,82 ± 0,19 d
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1947
parity+

decay modeintensitet
β (β decay)100%

226Ra

Numri i masës226
numri i neutroneve138
relative atomic mass
226,025408186 ± 0,000002068 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,6 ± 0,007 ky
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1898
parity+

decay modeintensitet
α (α emission)100%
14C2.6%
(double β decay)

227Ra

Numri i masës227
numri i neutroneve139
relative atomic mass
227,029176205 ± 0,000002089 Da
g-factor
-0,26733333333333 ± 0,00073333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
42,2 ± 0,5 m
Spini3/2
nuclear quadrupole moment
1,53 ± 0,06
koha e zbulimit apo shpikjes1953
parity+

decay modeintensitet
β (β decay)100%

228Ra

Numri i masës228
numri i neutroneve140
relative atomic mass
228,031068574 ± 0,000002141 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,75 ± 0,03 y
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1907
parity+

decay modeintensitet
β (β decay)100%

229Ra

Numri i masës229
numri i neutroneve141
relative atomic mass
229,034956703 ± 0,000016576 Da
g-factor
0,19968 ± 0,00056
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4 ± 0,2 m
Spini5/2
nuclear quadrupole moment
2,99 ± 0,12
koha e zbulimit apo shpikjes1975
parity+

decay modeintensitet
β (β decay)100%

230Ra

Numri i masës230
numri i neutroneve142
relative atomic mass
230,037054776 ± 0,000011053 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
93 ± 2 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1978
parity+

decay modeintensitet
β (β decay)100%

231Ra

Numri i masës231
numri i neutroneve143
relative atomic mass
231,041027085 ± 0,000012206 Da
g-factor
-0,14216 ± 0,00044
natural abundance
Radioaktivitet☢️ radioactive element
half-life
104 ± 1 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1983
parity+

decay modeintensitet
β (β decay)100%

232Ra

Numri i masës232
numri i neutroneve144
relative atomic mass
232,043475267 ± 0,000009823 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4 ± 0,3 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1983
parity+

decay modeintensitet
β (β decay)100%

233Ra

Numri i masës233
numri i neutroneve145
relative atomic mass
233,04759457 ± 0,000009235 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
30 ± 5 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1990
parity+

decay modeintensitet
β (β decay)100%

234Ra

Numri i masës234
numri i neutroneve146
relative atomic mass
234,0503821 ± 0,000009 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
30 ± 10 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1990
parity+

decay modeintensitet
β (β decay)100%
β SF (β-delayed fission)

235Ra

Numri i masës235
numri i neutroneve147
relative atomic mass
235,05489 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
β (β decay)
Radium226

historia

zbuluesPierre and Marie Curie
vendndodhja e zbulimitFrance
koha e zbulimit apo shpikjes1898
EtimologjiaLatin: radius (ray).
pronunciationRAY-di-em (anglisht)

burim

Abundance
Abundance in Earth's crust
0,0000009 mg/kg
natural abundance (Oqeani)
0,000000000089 mg/L
natural abundance (Trupi i njeriut)
0,0000000000001 %
natural abundance (meteoroid)
natural abundance (Diell)
Abundance in Universe
0 %

Nuclear Screening Constants