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
10,6 cm³/mol
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
0,079 eV/particle
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
Titan on ChemicalAid