Atomic Number | 40 |
---|---|
Atomic Weight | 91.224 |
Rhif màs | 90 |
Group | 4 |
---|---|
Period | 5 |
Block | d |
Proton | 40 p+ |
---|---|
Niwtron | 50 n0 |
Electron | 40 e- |
Atomic Radius | |
---|---|
molar volume | |
covalent radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Van der Waals radius | |
density |
egni | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
standard enthalpy of formation | |
Electron | |
plisgyn yr electron | 2, 8, 18, 10, 2 |
valence electron | 2 ⓘ |
trefn yr electronnau | [Kr] 4d2 5s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d2 5s2 |
Cyflwr ocsidiad | -2, 0, 1, 2, 3, 4 |
Electronegatifedd | 1.33
|
Electrophilicity Index | |
cyflwr sylfaenol mater | |
cyflwr mater | Solid |
gaseous state of matter | |
Boiling Point | |
Melting Point | |
critical pressure | |
critical temperature | |
triple point | |
appearance | |
lliw | Silver
|
appearance | silvery white |
Mynegrif plygiant | |
nodwedd ffisegol gwrthrych | |
Thermal Conductivity | |
thermal expansion | |
molar heat capacity | |
Specific Heat Capacity | |
heat capacity ratio | |
electrical properties | |
type | Conductor |
dargludedd trydanol | |
Gwrthedd | |
superconductivity | |
magnetism | |
type | paramagnetic |
magnetic susceptibility (Mass) | 0.0000000168 m³/Kg
|
magnetic susceptibility (Molar) | 0.00000000153 m³/mol
|
magnetic susceptibility (Volume) | 0.000109
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
strwythur | |
Crystal Structure | Simple Hexagonal (HEX) |
lattice constant | |
Lattice Angles | π/2, π/2, 2 π/3 |
nodwedd mecanyddol deunyddiau | |
hardness | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | 0.34
|
speed of sound | |
classification | |
Category | Transition metals, Transition metals |
CAS Group | IVA |
IUPAC Group | IVB |
Glawe Number | 49 |
Mendeleev Number | 44 |
Pettifor Number | 49 |
Geochemical Class | high field strength |
Goldschmidt classification | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 0.184
|
Neutron Mass Absorption | 0.00066
|
quantum number | 3F2 |
space group | 194 (P63/mmc) |
Stable Isotopes | 3 |
---|---|
Unstable Isotopes | 34 |
Natural Isotopes | 5 |
Rhif màs | 77 |
---|---|
neutron number | 37 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | |
spin | 3/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 2017 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) | |
p (proton emission) |
Rhif màs | 78 |
---|---|
neutron number | 38 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | |
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 2001 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
Rhif màs | 79 |
---|---|
neutron number | 39 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 56 ± 30 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 1999 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Rhif màs | 80 |
---|---|
neutron number | 40 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 4.6 ± 0.6 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1987 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Rhif màs | 81 |
---|---|
neutron number | 41 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 5.5 ± 0.4 s
|
spin | 3/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 1997 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0.12% |
Rhif màs | 82 |
---|---|
neutron number | 42 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 32 ± 5 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1982 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Rhif màs | 83 |
---|---|
neutron number | 43 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 42 ± 2 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1974 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Rhif màs | 84 |
---|---|
neutron number | 44 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 25.8 ± 0.5 m
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1977 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Rhif màs | 85 |
---|---|
neutron number | 45 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 7.86 ± 0.04 m
|
spin | 7/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 1963 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Rhif màs | 86 |
---|---|
neutron number | 46 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 16.5 ± 0.1 h
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1951 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Rhif màs | 87 |
---|---|
neutron number | 47 |
Relative Atomic Mass | |
g-factor | -0.19866666666667 ± 0.0011111111111111
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 1.68 ± 0.01 h
|
spin | 9/2 |
nuclear quadrupole moment | 0.42 ± 0.05
|
dyddiad darganfod | 1948 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Rhif màs | 88 |
---|---|
neutron number | 48 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 83.4 ± 0.3 d
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1951 |
parity | + |
decay mode | intensity |
---|---|
ϵ (electron capture) | 100% |
Rhif màs | 89 |
---|---|
neutron number | 49 |
Relative Atomic Mass | |
g-factor | -0.23222222222222 ± 0.0013333333333333
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 78.36 ± 0.023 h
|
spin | 9/2 |
nuclear quadrupole moment | 0.28 ± 0.1
|
dyddiad darganfod | 1948 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Rhif màs | 90 |
---|---|
neutron number | 50 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 51.45 ± 0.04
|
Dadfeilio ymbelydrol | stable isotope |
Hanner oes | Not Radioactive ☢️ |
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1924 |
parity | + |
Rhif màs | 91 |
---|---|
neutron number | 51 |
Relative Atomic Mass | |
g-factor | |
natural abundance | 11.22 ± 0.05
|
Dadfeilio ymbelydrol | stable isotope |
Hanner oes | Not Radioactive ☢️ |
spin | 5/2 |
nuclear quadrupole moment | -0.176 ± 0.003
|
dyddiad darganfod | 1934 |
parity | + |
Rhif màs | 92 |
---|---|
neutron number | 52 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 17.15 ± 0.03
|
Dadfeilio ymbelydrol | stable isotope |
Hanner oes | Not Radioactive ☢️ |
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1924 |
parity | + |
Rhif màs | 93 |
---|---|
neutron number | 53 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 1.61 ± 0.05 My
|
spin | 5/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 1950 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 94 |
---|---|
neutron number | 54 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 17.38 ± 0.04
|
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | |
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1924 |
parity | + |
decay mode | intensity |
---|---|
2β− (double β− decay) |
Rhif màs | 95 |
---|---|
neutron number | 55 |
Relative Atomic Mass | |
g-factor | 0.452 ± 0.008
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 64.032 ± 0.006 d
|
spin | 5/2 |
nuclear quadrupole moment | 0.22 ± 0.02
|
dyddiad darganfod | 1946 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 96 |
---|---|
neutron number | 56 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 2.8 ± 0.02
|
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 23.4 ± 1.7 Ey
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1934 |
parity | + |
decay mode | intensity |
---|---|
2β− (double β− decay) | 100% |
Rhif màs | 97 |
---|---|
neutron number | 57 |
Relative Atomic Mass | |
g-factor | -1.872 ± 0.01
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 16.749 ± 0.008 h
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1951 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 98 |
---|---|
neutron number | 58 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 30.7 ± 0.4 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1967 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 99 |
---|---|
neutron number | 59 |
Relative Atomic Mass | |
g-factor | -1.858 ± 0.008
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 2.1 ± 0.1 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1970 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 100 |
---|---|
neutron number | 60 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 7.1 ± 0.4 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1970 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 101 |
---|---|
neutron number | 61 |
Relative Atomic Mass | |
g-factor | -0.18133333333333 ± 0.0053333333333333
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 2.29 ± 0.08 s
|
spin | 3/2 |
nuclear quadrupole moment | 0.81 ± 0.06
|
dyddiad darganfod | 1972 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 102 |
---|---|
neutron number | 62 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 2.01 ± 0.08 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1970 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Rhif màs | 103 |
---|---|
neutron number | 63 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 1.38 ± 0.07 s
|
spin | 5/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 1987 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 1% |
Rhif màs | 104 |
---|---|
neutron number | 64 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 920 ± 28 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1990 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 1% |
Rhif màs | 105 |
---|---|
neutron number | 65 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 670 ± 28 ms
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1992 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 2% |
Rhif màs | 106 |
---|---|
neutron number | 66 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 179 ± 6 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1994 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 7% |
Rhif màs | 107 |
---|---|
neutron number | 67 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 145.7 ± 2.4 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 1994 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 23% |
Rhif màs | 108 |
---|---|
neutron number | 68 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 78.5 ± 2 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1997 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Rhif màs | 109 |
---|---|
neutron number | 69 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 56 ± 3 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 1997 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Rhif màs | 110 |
---|---|
neutron number | 70 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 37.5 ± 2 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 1997 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Rhif màs | 111 |
---|---|
neutron number | 71 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 24 ± 0.5 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Rhif màs | 112 |
---|---|
neutron number | 72 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | 43 ± 21 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
dyddiad darganfod | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Rhif màs | 113 |
---|---|
neutron number | 73 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Dadfeilio ymbelydrol | ☢️ elfen ymbelydrol |
Hanner oes | |
spin | 3/2 |
nuclear quadrupole moment | |
dyddiad darganfod | 2018 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
darganfyddwr neu ddyfeisiwr | Martin Klaproth |
---|---|
man darganfod | Germany |
dyddiad darganfod | 1789 |
geirdarddiad | From the mineral, zircon. |
ynganiad | zer-KO-ni-em (Saesneg) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (cefnfor) | |
natural abundance (corff dynol) | 0.000005 %
|
natural abundance (Awyrfaen) | 0.00066 %
|
natural abundance (Haul) | 0.000004 %
|
Abundance in Universe | 0.000005 %
|
1 | s | 0.841 |
2 | p | 4.0072 |
2 | s | 10.6262 |
3 | d | 14.4331 |
3 | p | 16.1545 |
3 | s | 15.6385 |
4 | d | 26.9284 |
4 | p | 26.54 |
4 | s | 25.0984 |
5 | s | 33.5545 |