Template:Infobox californium

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Californium,  98Cf
A very small disc of silvery metal, magnified to show its metallic texture
General properties
Name, symbol californium, Cf
Pronunciation /ˌkælˈfɔːrniəm/
KAL-i-FOR-nee-əm
Appearance silvery
Californium in the periodic table
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (post-transition metal)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
Dy

Cf

(Upb)
berkeliumcaliforniumeinsteinium
Atomic number (Z) 98
Group, block group n/a, f-block
Period period 7
Element category   actinide
Standard atomic weight (Ar) (251)[1]
Electron configuration [Rn] 5f10 7s2[2]
Electrons per shell
2, 8, 18, 32, 28, 8, 2
Physical properties
Phase solid
Melting point 1173 K ​(900 °C, ​1652 °F)[1]
Boiling point 1743 K ​(1470 °C, ​2678 °F) (estimation)[3]
Density near r.t. 15.1 g/cm3[1]
Atomic properties
Oxidation states 2, 3, 4[4]
Electronegativity Pauling scale: 1.3[5]
Ionization energies 1st: 608 kJ/mol[6]
Miscellanea
Crystal structure double hexagonal close-packed (dhcp)
Double hexagonal close packed crystal structure for californium
Mohs hardness 3–4[7]
CAS Number 7440-71-3[1]
History
Naming after California, where it was discovered
Discovery Lawrence Berkeley National Laboratory (1950)
Most stable isotopes of californium[8][9]
iso NA half-life DM DE (MeV) DP
248Cf syn 333.5 d α (100%) 6.369 244Cm
SF (2.9×10−3%) 0.0029
249Cf syn 351 y α (100%) 6.295 245Cm
SF (5.0×10−7%) 4.4×10−7
250Cf syn 13.08 y α (99.92%) 6.129 246Cm
SF (0.08%) 0.077
251Cf syn 898 y α 6.172 247Cm
252Cf syn 2.645 y α (96.91%) 6.217 248Cm
SF (3.09%)
253Cf syn 17.81 d β (99.69%) 0.29 253Es
α (0.31%) 6.126 249Cm
254Cf syn 60.5 d SF (99.69%)
α (0.31%) 5.930 250Cm
| references | in Wikidata

Element navigation

californiumPT
Bk ←
ibox E
 
→ Es

References

These references will appear in the article, but this list appears only on this page.
  1. ^ a b c d CRC 2006, p. 4.56.
  2. ^ CRC 2006, p. 1.14.
  3. ^ Joseph Jacob Katz; Glenn Theodore Seaborg; Lester R. Morss (1986). The Chemistry of the actinide elements. Chapman and Hall. p. 1038. ISBN 9780412273704. Retrieved 11 July 2011. 
  4. ^ Greenwood & Earnshaw 1997, p. 1265.
  5. ^ Emsley 1998, p. 50.
  6. ^ CRC 2006, p. 10.204.
  7. ^ CRC 1991, p. 254.
  8. ^ CRC 2006, p. 11.196.
  9. ^ NNDC contributors (2008). Sonzogni, Alejandro A. (Database Manager), ed. "Chart of Nuclides". National Nuclear Data Center, Brookhaven National Laboratory. Retrieved 1 March 2010. 
Template documentation[view] [edit] [history] [purge]

Infoboxes for the chemical elements use the core template {{Infobox element}}.

Parameters[edit]

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Parameter naming patterns

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ionization energy ref

Parameters with a .. comment suffix are added to the end of a data line, with a space added. Comments are reproduced without formatting additions (no brackets, no italics, ...):

ionization energy comment

Numbered values make a list (except |atomic mass 2= used for uncertainty bracket notation):

ionization energy
ionization energy 2
ionization energy 3
Parameter list
This parameter list: ‹See Tfd›view · edit
{{Infobox element
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{{Infobox element}}; labels & notes:
 
(Image)
 
 
 
(Image 2)
 
 
 
GENERAL PROPERTIES
Name
Symbol
Pronunciation
 
 
 
Alternative name(s)
 
Allotropes
Appearance
<element> IN THE PERIODIC TABLE
Periodic table
 
 
 
Atomic number
Standard atomic weight
uncertainty to use in (bracket notation)
 
 
Element category (also header bg color)
 
 
(sets header bg color, over 'series='-color)
Group
 
 
Period
 
 
Block
 
 
Electron configuration
 
 
Electrons per shell
 
 
PHYSICAL PROPERTIES
(general note)
Color
Phase
 
 
Melting point
 
 
 
 
Boiling point
 
 
 
 
Sublimation point
 
 
 
 
Density [g/L at s.t.p.]
 
 
Density [kg/m3 at s.t.p.]
 
 
Density [g/cm3 near room temperature]
 
 
 [g/cm3 near r.t.], #2
 
 
 [g/cm3 near r.t.], #3
 
 
Density (liquid, melting point) [g/cm3]
 
 
Density (liquid, boiling point) [g/cm3]
 
 
Molar volume
Unit defaults to cm3/mol
 otherwise set unit prefix=d for dm3/mol (gases)
 
Triple point
 
 
 
 
 
 
 
Critical point
 
 
 
Heat of fusion
 
 
 
 
 
Heat of vaporization
 
 
Molar heat capacity
 
 
 
 
 
Vapor pressure
 
 
 
 
 
 
 
Vapor pressure
 
 
 
 
 
 
 
ATOMIC PROPERTIES

Oxidation states
 
 
Electronegativity
 
 
Ionization energy
 
 
 
 
 
 
 
 
 
 
 
Atomic radius
 
 
 
 
 
Covalent radius
 
 
Van der Waals radius
 
 
MISCELLANEA
Crystal structure
 
 
 
Crystal structure
 
 
 
Speed of sound
 
 
 
 
 
 
 
 
Thermal expansion
 
 
 
 
 
Thermal conductivity
 
 
 
 
 
Thermal diffusivity
 
 
Electrical resistivity
 
 
 
 
 
 
 
 
 
Band gap
 
 
Curie point
 
 
Magnetic ordering
 
 
Tensile strength
 
 
Young's modulus
 
 
Shear modulus
 
 
Bulk modulus
 
 
Poisson ratio
 
 
Mohs hardness
 
 
 
 
 
Vickers hardness
 
 
Brinell hardness
 
 
CAS Number
 
 
HISTORY
Naming
Prediction
 
()
Discovery
 
()
First isolation
 
()
Discovery and first isolation (1 or 2 dates)
Named by
 
()
 
(History comment)
ISOTOPES OF <element>
Isotopes of <element>
 
(wp:engvar)
 

Subtemplates[edit]

Isotopes[edit]

Isotopes

Isotopes are to be entered by the editor using these subtemplates:

Examples (from various elements):

| isotopes =
{{Infobox element/isotopes stable
  | link=Fluorine-19
  | mn=19
  | sym=F
  | na=100%
  | n=10
}}
{{Infobox element/isotopes decay
  | mn=251
  | sym=Cf
  | na=trace
  | hl=898 y
  | dm=α
  | de=6.172
  | link1=curium-247
  | pn=247
  | ps=Cm
}}
{{Infobox element/isotopes decay2
  | mn=252
  | sym=Cf
  | na=trace
  | hl=2.645 y
  | dm1=α (96.91%)
  | de1=6.217
  | link1=curium-248
  | pn1=248
  | ps1=Cm
  | dm2=SF (3.09%)
  | de2=–
  | pn2=
  | ps2=–
}}
{{Infobox element/isotopes decay3
  | mn=26
  | sym=Al
  | na=[[trace radioisotope|trace]]
  | hl=7.17×105 y
  | dm1=[[Positron emission|β<sup>+</sup>]]
  | de1=1.17
  | link1=magnesium-26
  | pn1=26
  | ps1=Mg
  | dm2=[[electron capture|ε]]
  | de2=–
  | link2=magnesium-26
  | pn2=26
  | ps2=Mg
  | dm3=[[Gamma radiation|γ]]
  | de3=1.8086
  | pn3=
  | ps3=–
}}
{{Infobox element/isotopes decay3 (2 2 1)
  | mn=22
  | sym=Na
  | na=[[trace radioisotope|trace]]
  | hl=[[1 E7 s|2.602 y]]
  | dm1=[[Beta decay|β<sup>+</sup>]]→[[Gamma decay|γ]]
  | de1a=0.5454
  | link1a=neon-22
  | pn1a=22
  | ps1a=Ne*
  | de1b=1.27453(2)<ref name=npa521_1>{{cite journal|author=Endt, P. M.
        |title=Energy levels of A = 21–44 nuclei (VII)
        |journal=Nuclear Physics A
        }}</ref>
  | pn1b=22
  | ps1b=Ne
  | dm2=[[electron capture|ε]]→[[Gamma decay|γ]]
  | de2a=–
  | pn2a=22
  | ps2a=Ne*
  | de2b=1.27453(2)
  | pn2b=22
  | ps2b=Ne
  | dm3=[[Beta decay|β<sup>+</sup>]]
  | de3=1.8200
  | pn3=22
  | ps3=Ne
}}
{{Infobox element/isotopes_decay4
  | mn=260
  | sym=Md
  | na=[[synthetic radioisotope|syn]]
  | hl=31.8 [[day|d]]
  | dm1=SF
  | de1=–
  | pn1=
  | ps1=–
  | dm2=α
  | de2=7.000
  | link2=einsteinium-256
  | pn2=256
  | ps2=Es
  | dm3=ε
  | de3=–
  | link3=fermium-260
  | pn3=260
  | ps3=Fm
  | dm4=[[beta emission|β<sup>−</sup>]]
  | de4=1.000
  | link4=nobelium-260
  | pn4=260
  | ps4=No
}}
  |isotopes comment=reference{{sfn|Chisté|2006
}}<br/><!-- ---- ---- ---- ---- ---- ---- ---- ---- -->
* = [[excited state]]

produces the subtable:

Demo,  00Xx
General properties
Name, symbol demo, {{{symbol}}}
Demo in the periodic table
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (post-transition metal)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
{{{above}}}

{{{symbol}}}

{{{below}}}
{{{left}}} ← demo → {{{right}}}
Atomic number (Z) {{{number}}}
Group, block group n/a, [[{{{block}}}-block]]
Period [[Period (periodic table)#Period {{{period}}}|period {{{period}}}]]
Electron configuration {{{electron configuration}}}
Physical properties
Atomic properties
Most stable isotopes of demo
iso NA half-life DM DE (MeV) DP
19F 100% is stable with 10 neutrons
251Cf trace 898 y α 6.172 247Cm
252Cf trace 2.645 y α (96.91%) 6.217 248Cm
SF (3.09%)
26Al trace 7.17×105 y β+ 1.17 26Mg
ε 26Mg
γ 1.8086
22Na trace 2.602 y β+γ 0.5454 22Ne*
1.27453(2)[1] 22Ne
εγ 22Ne*
1.27453(2) 22Ne
β+ 1.8200 22Ne
260Md syn 31.8 d SF
α 7.000 256Es
ε 260Fm
β 1.000 260No

reference[2]

* = excited state
| references | in Wikidata

Other[edit]

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{{Periodic table (32 columns, micro)}}
When atomic number ≥ 119, the miniature periodic table shows an extended version (period 8 and up). See, for example, {{Infobox ununennium}}.

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Note: in no situation should the formal IUPAC name be changed (always aluminium, not aluminum), except when this spelling is the topic.

References

These references will appear in the article, but this list appears only on this page.
  1. ^ Endt, P. M. "Energy levels of A = 21–44 nuclei (VII)". Nuclear Physics A. 
  2. ^ Chisté 2006.

See also[edit]

Index to chemical element infoboxes
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
iso
15
P
iso
16
S
iso
19
K
iso
23
V
 
 
 
 
 
iso
39
Y
 
 
 
 
 
 
 
 
 
 
 
 
iso
53
I
 
 
 
 
1 asterisk
 
 
iso
74
W
 
 
 
 
 
 
 
 
 
 
 
 
 
1 asterisk
iso
104
Rf
 
iso
105
Db
 
iso
106
Sg
 
iso
107
Bh
 
iso
108
Hs
 
iso
109
Mt
 
iso
110
Ds
 
iso
111
Rg
 
iso
112
Cn
 
iso
113
Nh
 
iso
114
Fl
 
iso
115
Mc
 
iso
116
Lv
 
iso
117
Ts
 
iso
118
Og
iso
119
Uue
 
iso
120
Ubn
 
1 asterisk
 
 
 
 
 
 
 
 
 
 
 
 
 
1 asterisk
 
 
iso
92
U
 
 
 
 
 
ibox E
 
 
iso
100
Fm
 
iso
101
Md
 
iso
102
No
 
iso
103
Lr
 
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