Titan

Titan (Ti)

grundämne
Atomnummer22
Atommassa47.867
masstal48
Grupp4
Period4
Blockd
Protoner22 p+
Neutroner26 n0
Electrons22 e-
Animated Bohrs atommodell of Ti (Titan)

Egenskaper

fysisk egenskap
atomradie
140 pm
molvolym
kovalent radie
136 pm
Metallic Radius
132 pm
ionic radius
86 pm
Crystal Radius
100 pm
Van der Waalsradie
211 pm
densitet
4,506 g/cm³
energi
proton affinity
876 kJ/mol
Elektronaffinitet
joniseringsenergi
6,82812 eV/particle
joniseringsenergi of Ti (Titan)
ångbildningsvärme
422,6 kJ/mol
smältvärme
18,8 kJ/mol
Bildningsentalpi
473 kJ/mol
Electrons
electron shell2, 8, 10, 2
Bohrs atommodell: Ti (Titan)
valenselektron2
elektronkonfiguration[Ar] 3d2 4s2
Enhanced Bohrs atommodell of Ti (Titan)
Orbital Diagram of Ti (Titan)
oxidationstal-2, -1, 0, 1, 2, 3, 4
elektronegativitet
1.54
Electrophilicity
0,8836023565738941 eV/particle
Phases
aggregationstillståndFast
Gas Phase
Kokpunkt
3 560,15 K
Smältpunkt
1 943,15 K
critical pressure
critical temperature
trippelpunkt
Visual
färg
Silver
appearancesilvery grey-white metallic
Brytningsindex
materialegenskap
Värmeledningsförmåga
21,9 W/(m K)
termisk expansion
0,0000086 1/K
molar heat capacity
25,06 J/(mol K)
Specifik värmekapacitet
0,523 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
elektrisk konduktivitet
2,5 MS/m
resistivitet
0,0000004 m Ω
supraledare
0,4 K
magnetism
typeparamagnetic
magnetisk susceptibilitet (Mass)
0,0000000401 m³/Kg
magnetisk susceptibilitet (Molar)
0,000000001919 m³/mol
magnetisk susceptibilitet (Volume)
0,0001807
magnetic ordering
Curiepunkten
Néel temperature
Structure
KristallstrukturEnkelt hexagonalt (HEX)
Gitterkonstant
2,95 Å
Lattice Anglesπ/2, π/2, 2 π/3
mekanisk materialegenskap
hårdhet
6 MPa
Kompressibilitet
110 GPa
skjuvmodul
44 GPa
Young's modulus
116 GPa
Poissons konstant
0,32
ljudhastighet
4 140 m/s
klassificering
KategoriÖvergångsmetaller, Transition metals
CAS GroupIVA
IUPAC GroupIVB
Glawe Number51
Mendeleev Number43
Pettifor Number51
Geochemical Classfirst series transition metal
Goldschmidt classificationlitophile
övrigt
Gas Basicity
853,7 kJ/mol
Dipole Polarizability
100 ± 10 a₀
C6 Dispersion Coefficient
1 044 a₀
Allotropes
Träffyta
6,1
Neutron Mass Absorption
0,0044
kvanttal3F2
rymdgrupp194 (P63/mmc)

Titanisotoper

Stabila isotoper5
Instabila isotoper24
Radioactive Isotopes22

37Ti

natural abundance
relative atomic mass
37,027021 ± 0,000429 Da
masstal37
g-factor
Halveringstid
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum
Paritet+

37Ti Decay Modes
decay modeIntensitet
p (proton emission)%

38Ti

natural abundance
relative atomic mass
38,012206 ± 0,000322 Da
masstal38
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum
Paritet+

38Ti Decay Modes
decay modeIntensitet
2p (2-proton emission)%

39Ti

natural abundanceRadioactive ☢️
relative atomic mass
39,002684 ± 0,000215 Da
masstal39
g-factor
Halveringstid
28,5 ± 0,9 ms
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1990
Paritet+

39Ti Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)93.7%
2p (2-proton emission)%

40Ti

natural abundanceRadioactive ☢️
relative atomic mass
39,990345146 ± 0,000073262 Da
masstal40
g-factor
0
Halveringstid
52,4 ± 0,3 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1982
Paritet+

40Ti Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)95.8%

41Ti

natural abundanceRadioactive ☢️
relative atomic mass
40,983148 ± 0,00003 Da
masstal41
g-factor
Halveringstid
81,9 ± 0,5 ms
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1964
Paritet+

41Ti Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)91.1%

42Ti

natural abundanceRadioactive ☢️
relative atomic mass
41,973049369 ± 0,000000289 Da
masstal42
g-factor
0
Halveringstid
208,3 ± 0,4 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1964
Paritet+

42Ti Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

43Ti

natural abundanceRadioactive ☢️
relative atomic mass
42,96852842 ± 0,000006139 Da
masstal43
g-factor
0,24285714285714 ± 0,0057142857142857
Halveringstid
509 ± 5 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1948
Paritet-

43Ti Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)%

44Ti

natural abundanceRadioactive ☢️
relative atomic mass
43,959689936 ± 0,000000751 Da
masstal44
g-factor
0
Halveringstid
59,1 ± 0,3 y
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1954
Paritet+

44Ti Decay Modes
decay modeIntensitet
ϵ (electron capture)100%

45Ti

natural abundanceRadioactive ☢️
relative atomic mass
44,958120758 ± 0,000000897 Da
masstal45
g-factor
0,027142857142857 ± 0,00057142857142857
Halveringstid
184,8 ± 0,5 m
Spinn7/2
nuclear quadrupole moment
0,015 ± 0,015
upptäcktsdatum1941
Paritet-

45Ti Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

46Ti

natural abundance
8,25 ± 0,03
relative atomic mass
45,952626356 ± 0,000000097 Da
masstal46
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1934
Paritet+

47Ti

natural abundance
7,44 ± 0,02
relative atomic mass
46,951757491 ± 0,000000085 Da
masstal47
g-factor
Halveringstid
Spinn5/2
nuclear quadrupole moment
0,302 ± 0,01
upptäcktsdatum1934
Paritet-

48Ti

natural abundance
73,72 ± 0,03
relative atomic mass
47,947940677 ± 0,000000079 Da
masstal48
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1923
Paritet+

49Ti

natural abundance
5,41 ± 0,02
relative atomic mass
48,947864391 ± 0,000000084 Da
masstal49
g-factor
Halveringstid
Spinn7/2
nuclear quadrupole moment
0,247 ± 0,011
upptäcktsdatum1934
Paritet-

50Ti

natural abundance
5,18 ± 0,02
relative atomic mass
49,944785622 ± 0,000000088 Da
masstal50
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1934
Paritet+

51Ti

natural abundanceRadioactive ☢️
relative atomic mass
50,946609468 ± 0,000000519 Da
masstal51
g-factor
Halveringstid
5,76 ± 0,01 m
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1947
Paritet-

51Ti Decay Modes
decay modeIntensitet
β (β decay)100%

52Ti

natural abundanceRadioactive ☢️
relative atomic mass
51,946883509 ± 0,000002948 Da
masstal52
g-factor
0
Halveringstid
1,7 ± 0,1 m
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1966
Paritet+

52Ti Decay Modes
decay modeIntensitet
β (β decay)100%

53Ti

natural abundanceRadioactive ☢️
relative atomic mass
52,949670714 ± 0,0000031 Da
masstal53
g-factor
Halveringstid
32,7 ± 0,9 s
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1977
Paritet

53Ti Decay Modes
decay modeIntensitet
β (β decay)100%

54Ti

natural abundanceRadioactive ☢️
relative atomic mass
53,950892 ± 0,000017 Da
masstal54
g-factor
0
Halveringstid
2,1 ± 1 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1980
Paritet+

54Ti Decay Modes
decay modeIntensitet
β (β decay)100%

55Ti

natural abundanceRadioactive ☢️
relative atomic mass
54,955091 ± 0,000031 Da
masstal55
g-factor
Halveringstid
1,3 ± 0,1 s
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1980
Paritet

55Ti Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%

56Ti

natural abundanceRadioactive ☢️
relative atomic mass
55,957677675 ± 0,000107569 Da
masstal56
g-factor
0
Halveringstid
200 ± 5 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1980
Paritet+

56Ti Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%

57Ti

natural abundanceRadioactive ☢️
relative atomic mass
56,963068098 ± 0,00022102 Da
masstal57
g-factor
Halveringstid
95 ± 8 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1985
Paritet-

57Ti Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%

58Ti

natural abundanceRadioactive ☢️
relative atomic mass
57,966808519 ± 0,000196823 Da
masstal58
g-factor
0
Halveringstid
55 ± 6 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1992
Paritet+

58Ti Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%

59Ti

natural abundanceRadioactive ☢️
relative atomic mass
58,972217 ± 0,000322 Da
masstal59
g-factor
Halveringstid
28,5 ± 1,9 ms
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1997
Paritet-

59Ti Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

60Ti

natural abundanceRadioactive ☢️
relative atomic mass
59,976275 ± 0,000258 Da
masstal60
g-factor
0
Halveringstid
22,2 ± 1,6 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1997
Paritet+

60Ti Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

61Ti

natural abundanceRadioactive ☢️
relative atomic mass
60,982426 ± 0,000322 Da
masstal61
g-factor
Halveringstid
15 ± 4 ms
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1997
Paritet-

61Ti Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

62Ti

natural abundanceRadioactive ☢️
relative atomic mass
61,986903 ± 0,000429 Da
masstal62
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2009
Paritet+

62Ti Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

63Ti

natural abundanceRadioactive ☢️
relative atomic mass
62,993709 ± 0,000537 Da
masstal63
g-factor
Halveringstid
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum2009
Paritet-

63Ti Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

64Ti

natural abundanceRadioactive ☢️
relative atomic mass
63,998411 ± 0,000644 Da
masstal64
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2013
Paritet+

64Ti Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

65Ti

natural abundanceRadioactive ☢️
relative atomic mass
65,005593 ± 0,000751 Da
masstal65
g-factor
Halveringstid
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum
Paritet-

65Ti Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%
Titan-crystal bar.JPG

historia

upptäckare eller uppfinnareWilliam Gregor
fyndplatsEngland
upptäcktsdatum1791
etymologiGreek: titanos (Titans).
uttaltie-TAY-ni-em (engelska)

Sources

Förekomst
Abundance in Earth's crust
5 650 mg/kg
Abundance in Oceans
0,001 mg/L
Abundance in Human Body
Abundance in Meteor
0,054 %
Abundance in Sun
0,0004 %
Abundance in Universe
0,0003 %

Nuclear Screening Constants

1s0.5591
2p3.9352
2s6.6234
3d13.8586
3p11.8963
3s10.9669
4s17.1832