Template:Infobox cerium isotopes

Isotopes of nickel (₂₈Ni)
Standard atomic weight Ar°(Ni)
	58.6934±0.0004; 58.693±0.001 (abridged);
	view; talk; edit;

	child table, as reused in {IB-Ce} v; e; h;
Main isotopes of cerium

Isotopes of cerium (₅₈Ce)
Standard atomic weight Ar°(Ce)
	140.116±0.001; 140.12±0.01 (abridged);
	view; talk; edit;

Ce · Cerium
La ← ibox La	^iso ₅₈Ce [e] IB-Ce [e] IBisos [e]	→ Pr ibox Pr
cat:Ce (11) cat:Ce-isotopes (56) Commons Wikidata:Q1385 Wiktionary
indexes by PT (page) v e

Data sets read by {{Infobox element}}
Name and identifiers	view edit
Symbol etymology (11 non-trivial)	view edit
Top image (caption, alt)	view edit
Pronunciation	view edit
Allotropes (overview)	view edit
Group (overview)	view edit
Period (overview)	view edit
Block (overview)	view edit
Natural occurrence	view edit
Phase at STP	view edit
Oxidation states	view edit
Spectral lines image	view edit
Electron configuration (cmt, ref)	view edit
Isotopes
Standard atomic weight	view edit
most stable isotope	view edit
Wikidata
Wikidata *	view edit
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Cat:data sets (46) · (this table: v )

References

^ ^a ^b Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
^ "Standard Atomic Weights: Cerium". CIAAW. 1995.
^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.

Template documentation[view] [edit] [history] [purge]

This page uses the meta infobox {{Infobox isotopes (meta)}} for the element isotopes infobox.

This infobox contains the table of § Main isotopes, and the § Standard atomic weight. For example, {{Infobox uranium isotopes}}, as used on page Isotopes of uranium.

The main isotopes table is reused in the regular Infobox: {{Infobox uranium}}.

Basic example

{{Infobox isotopes (meta)
|symbol    =Ni
|ref-table =
|ref-nubase2020 =yes
|isotopes  =
|footnote  =
}}

{{Infobox isotopes (meta)
|symbol    =Ni
|ref-table =<ref><nowiki>{{cite book|...}}</nowiki></ref>
|ref-nubase2020 =yes
|isotopes  =
{{Isotopes/main/isotope |mn=58 |sym=Ni
 |na=68.077% |hl=stable _link
 }}
{{Isotopes/main/isotope |mn=59 |sym=Ni
 |na=trace_link |hl={{val|7.6|e=4|u=y}}
 |dm1=e _link |link1=cobalt-59 |pn1=59 |ps1=Co
 }}
|footnote  =Footnote here
|child     ={{{child|no}}}
}}

parameters

{{Infobox isotopes (meta) \|symbol = \|ref-table = \|ref-nubase2020 =yes \|isotopes = {{Isotopes/main/isotope\|..}} \|footnote =Footnote here \|child ={{{child\|no}}} }}	`\|symbol=` The chemical element; required `\|ref-table=` Will add a reference to column header, like "Main isotopes^[1]" `\|ref-nubase2020=yes/no` yes will add reference {{NUBASE2020}}^[2] to column header "Isotope" `\|isotopes=` List of main isotopes, see below `\|footnote=` Footnote, will appear below the main isotopes table `\|child={{{child\|no}}}` Needed for interaction with {{Infobox element}}; leave as is

Main isotopes table

{{Isotopes/main/table/doc}}

The Main isotopes table is build by entering one template for each isotope-row.

{{Infobox isotopes (meta)
...
|isotopes =
{{Isotopes/main/isotope |link= |mn= |sym=
 |na= |hl=
 |ref=
 |dm1= |perc1= |ref1= |link1= |pn1= |ps1= 
 |dm2= |perc2= |ref2= |link2= |pn2= |ps2=
 }}
...
}}

 The single-row parameters, commented
 "!"=could be required;
  ..1&ndash;4 refer to the decay mode dm#=
{{Isotopes/main/isotope
 |mn    =! massnumber
 |sym   =! symbol
 |link  =  isotope page: uranium-232
 |ref   =  reference for the isotope-row
 |na    =! natural abundancy (can be: synth, trace)
 |hl    =! half-life (can be: stable)

 |dm1   =! decay mode #1
 |perc1 =  % decay
 |ref1  =  reference for decay mode #1
 |link1 =  product isotope page
 |pn1   =! product mass number
 |ps1   =! product symbol 

 |dm2   =  decay mode #2 etc.
 |dm3   =  decay mode #3 etc.
 |dm4   =  decay mode #4 etc.
 }}

For all code and formatted input: when not recognised, the input is shows as-is (unedited).

abundance, half-life trace, synthetic, stable by keyboard code

Parameters |na=, |hl= can handle simple keyboard code input. This simplifies typing:

|na=trace, synth, |hl=stable, obs stable.

|na=synth_link will link → synth

decay mode (β⁻β⁻) by keyboard code

Decay modes |dm1–4= can be entered as keyboard code:

|dm1=b+b+ (instead of |dm1=β<sup>+</sup>β<sup>+</sup>), will show β⁺β⁺.

Also, to wikilink:

|dm1=b+b+_link → β⁺β⁺.

When not recognised, the input is shows as-is (unedited).

basic dm1–4 code rules

α ← a, β ← b, γ ← g, ε ← e

Note: plain Latin letter e used in "e+" only. (No confusion with "ee" for εε/ee).

x⁺, x⁻ ← + − (superscript = inline)
- − – - (keyboard hyphen = minus)
A≠a: keep uppercase: SF ← SF (sf)

percentage abundance, decay mode formatting

Half-life time: usually {{val}} to format|hl={{val|12.3|e=4|u=Ey}}} →12.3×10⁴ Ey. Do not link the unit.
Percentage input |na=, |perc1, perc2, perc3, perc4=

No need for {{val}}, plain "12.34%" will do.

The number willbe rounded to 3 sigfig.

When dm-% |perc1=0.003%, then formatted as "<0.01%".

When dm-% |perc1=2.7e-12, then formatted as "≪0.01%".

To evade this rule, use {{val}}: |na={{val|0.9995|u=%}} (e.g., hydrogen)

Do not add uncertainties "(5)" or "±0.3"

add reference

USe dedicated reference parameters:
|ref-table=<ref>... in column header
|ref-nubase2020=yes/no adds {{NUBASE2020}} in column header
|ref= per isotope
|ref= per decay mode

Do not add reference with input value: dm1=α<ref>..</ref>

Decay modes

v t e Decay modes and NUBASE2020^[2] (overview)
type rowid	symbol (id)	normalised code input	names symbol wl enwiki NUBASE code-id	A, Z decay mode (Q1048111) decay mode (P817)	NUBASE, example, note
	`dm-symbol`	`normal-code` `dm1−4`	`en-name` `en-link` `nubase-name`	`AZ-changes` `action-text` `qid`

100	alpha
`dm` 110	α	`α` `α` `a` `alpha`	link: α en: α emission code-id:`alpha`	• (A − 4, Z − 2) ACTION: An alpha particle (A = 4, Z = 2) emitted from nucleus QID: alpha decay (Q179856)	• in NUBASE2020
200	beta
`dm` 210	β	`β` `β` `b` `beta`	link: β en: β decay NUBASE: – code-id:`beta`	• ACTION: QID: beta decay (Q306786)	• not in NUBASE2020 covers multiple dm's
`dm` 220	β⁻	`β<sup>−</sup>` `β−` `b−` `b-` `b−`	link: β⁻ en: β⁻ decay code-id:`b-`	• (A, Z + 1) ACTION: A nucleus emits an electron and an electron antineutrino QID: beta minus decay (Q14646001)	• in NUBASE2020 minus, hyphen, ndash
`dm` 230	β⁻β⁻ 2β⁻	`β<sup>−</sup>β<sup>−</sup>` `β−β−` `b-b-` `2β<sup>−</sup>` [alt] `2b-` [alt]	link: β⁻β⁻ en: double β⁻ decay code-id:`2b-`	• (A, Z + 2) ACTION: A nucleus emits two electrons and two antineutrinos QID: double beta minus decay (Q18907407)	• in NUBASE2020
`dm` 240	β⁺ ε + e⁺	`β<sup>+</sup>` `β<sup>+</sup>` `β+` `b+` `ε + e<sup>+</sup>` [alt] `e and e+` [alt]	link: β⁺ en: β⁺ decay code-id:`b+`	• (A, Z − 1) ACTION: In NUBASE2020, ß⁺ refers to the combined rate of electron capture (ε) and positron emission (e⁺): ß⁺ = ε + e⁺ QID: positron emission (Q1357356)	• in NUBASE2020 NUBASE says: (β⁺ = ε + e⁺)
`dm` 250	β⁺β⁺ 2β⁺	`β<sup>+</sup>β<sup>+</sup>` `β<sup>+</sup>β<sup>+</sup>` `β+β+` `b+b+` `2β<sup>+</sup>` [alt] `2b+` [alt]	link: β⁺β⁺ en: double β⁺ decay code-id:`2b+`	• (A, Z − 2) ACTION: A nucleus emits two positrons and two neutrinos QID: double beta plus decay (Q18907416)	• in NUBASE2020
300	e, epsilon, gamma (internally, "epsi" is the code for char "ε"; "e" for Latn char "e" which occurs in "e+" only btw)
`dm` 310	ε	`ε` `epsi` `&epsi;` `ε` `epsilon`	link: ε en: electron capture code-id:`epsi`	• (A, Z − 1) ACTION: A nucleus captures an orbiting electron and emits a neutrino; the daughter nucleus is left in an excited unstable state QID: electron capture (Q109910)	• in NUBASE2020 equals "e⁻"? See also EC
`dm` 320	εε	`εε` `epsi epsi` `&epsi;&epsi;` `ee` `epsilon epsilon`	link: εε en: double electron capture NUBASE: – code-id:`epsiepsi`	• (A, Z − 2) ACTION: QID: double electron capture (Q520827)	• not in NUBASE2020 · barium-130 aka? equals "2 e⁻"?
`dm` 330	ε + β⁺	`ε + β<sup>+</sup>` `epsi+b+` `e+b+`	link: ε + β⁺ en: electron capture and β⁺ decay NUBASE: electron capture and β⁺ decay code-id:`epsiANDb+`	• ACTION: electron capture and β⁺ decay QID:	• in NUBASE2020 · thallium-204
`dm` 340	e+	`e<sup>+</sup>` `e+`	link: e+ en: positron emission code-id:`e+`	• (A, Z − 1) ACTION: A nuclear proton converts to a neutron by emitting a positron and an electron neutrino QID: positron emission (Q1357356)	• in NUBASE2020 Latin letter "e" (a bare "ε" does not occur); positron emission (Q1357356) double? See β⁺
`dm` 350	γ	`γ` `gamma` `g` `γ`	link: γ en: γ decay NUBASE: – code-id:`gamma`	• ACTION: QID: gamma decay (Q10885797)	• not in NUBASE2020 · technetium-95m cause=beta decay
400	n, p
`dm` 410	n	`n`	link: n en: neutron emission code-id:`n`	• (A − 1, Z) ACTION: A neutron ejected from nucleus QID: neutron emission (Q898923)	• in NUBASE2020
`dm` 420	2n	`2n` `nn` [alt]	link: 2n en: 2-neutron emission code-id:`2n`	• (A − 2, Z) ACTION: Two neutrons ejected from nucleus simultaneously QID: double neutron emission (Q21456752)	• in NUBASE2020
`dm` 430	p	`p`	link: p en: proton emission code-id:`p`	• (A − 1, Z − 1) ACTION: A proton ejected from nucleus QID: proton emission (Q902157)	• in NUBASE2020
`dm` 440	2p	`2p` `nn` [alt]	link: 2p en: 2-proton emission code-id:`2p`	• (A − 2, Z − 2) ACTION: Two protons ejected from nucleus simultaneously QID: double proton emission (Q9253686)	• in NUBASE2020
500	EC, IT, IS, SF, CD
`dm` 510	EC	`EC`	link: EC en: electron capture NUBASE: – code-id:`EC`	• (A, Z − 1) ACTION: QID: electron capture (Q109910)	• not in NUBASE2020 related to, synonym of epsi?
`dm` 520	IT	`IT`	link: IT en: isomeric transition NUBASE: internal transition code-id:`IT`	• (A, Z) ACTION: A nucleus in a metastable state drops to a lower energy state by emitting a photon or ejecting an electron QID: isomeric transition (Q1191931)	• in NUBASE2020 Names used: "internal transition" (NUBASE), "isomeric transition" (enwiki)
`dm` 530	SF	`SF`	link: SF en: spontaneous fission code-id:`SF`	• variable ACTION: A nucleus disintegrates into two or more smaller nuclei and other particles, all of which may vary with each decay QID: spontaneous fission (Q146682)	• in NUBASE2020 · isotopes of plutonium SF implies no product (–)
`dm` 540	CD	`CD`	link: CD en: cluster decay NUBASE: heavy cluster decay code-id:`CD`	• (A − A₁, Z − Z₁) & (A₁, Z₁) ACTION: A nucleus emits a specific type of smaller nucleus (A₁, Z₁) which is larger than an alpha particle (e.g. ¹⁴C, ²⁴Ne) QID: cluster decay (Q901540)	• in NUBASE2020 CD is general term for "24Ne"-like decays
`dm` 550	IS	`IS`	link: IS en: isotopic abundance code-id:`IS`	• ACTION: QID: natural abundance (Q659662)	• in NUBASE2020 aka natural abundance - stable/longlived isotope, {{CIAAW2013}} (Meija 2016)
600	delayed
`dm` 611	β⁻n	`β⁻n` `β-n` `b-n`	link: β⁻n en: β⁻-delayed neutron emission code-id:`b-n`	• (A − 1, Z + 1) ACTION: A nucleus decays by β⁻ emission to an excited state, which then emits a neutron QID: delayed decay (Q116564446)	• in NUBASE2020 delayed neutron (Q3044545): not exact; not a complete DM?
`dm` 612	β⁻2n	`β⁻2n` `b-2n`	link: β⁻2n en: β⁻-delayed 2-neutron emission code-id:`b-2n`	• (A − 2, Z + 1) ACTION: A nucleus decays by β⁻ emission to an excited state, which then emits two neutrons QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 613	β⁻3n	`β⁻3n` `b-3n`	link: β⁻3n en: β⁻-delayed 3-neutron emission code-id:`b-3n`	• (A − 3, Z + 1) ACTION: A nucleus decays by β⁻ emission to an excited state, which then emits three neutrons QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 614	β⁻α	`β⁻α` `b-a`	link: β⁻α en: β⁻-delayed α emission code-id:`b-a`	• (A − 4, Z − 1) ACTION: A nucleus decays by β⁻ emission to an excited state, which then emits an α particle QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 615	β⁻d	`β⁻d` `b-d`	link: β⁻d en: β⁻-delayed deuteron emission code-id:`b-d`	• (A − 2, Z) ACTION: A nucleus decays by β⁻ emission to an excited state, which then emits a deuteron QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 616	β⁻t	`β⁻t` `b-t`	link: β⁻t en: β⁻-delayed triton emission code-id:`b-t`	• (A − 3, Z) ACTION: A nucleus decays by β⁻ emission to an excited state, which then emits a triton QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 617	β⁻SF	`β⁻SF` `b-SF`	link: β⁻SF en: β⁻-delayed fission code-id:`b-SF`	• β⁻ & variable ACTION: A nucleus decays by β⁻ emission to an excited state, which then undergoes spontaneous fission QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 618	β⁺p	`β⁺p` `b+p`	link: β⁺p en: β⁺-delayed proton emission code-id:`b+p`	• (A − 1, Z − 2) ACTION: A nucleus decays by β⁺ emission to an excited state, which then emits a proton QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 619	β⁺2p	`β⁺2p` `b+2p`	link: β⁺2p en: β⁺-delayed 2-proton emission code-id:`b+2p`	• (A − 2, Z − 3) ACTION: A nucleus decays by β⁺ emission to an excited state, which then emits two protons QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 621	β⁺3p	`β⁺3p`	link: β⁺3p en: β⁺-delayed 3-proton emission code-id:`b+3p`	• (A − 3, Z − 4) ACTION: A nucleus decays by β⁺ emission to an excited state, which then emits three protons QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 622	β⁺α	`β⁺α` `b+a`	link: β⁺α en: β⁺-delayed α emission code-id:`b+a`	• (A − 4, Z − 3) ACTION: A nucleus decays by β⁺ emission to an excited state, which then emits an a particle QID: delayed decay (Q116564446)	• in NUBASE2020
`dm` 623	β⁺SF	`β⁺SF` `b+SF`	link: β⁺SF en: β⁺-delayed fission code-id:`b+SF`	• β+ & variable ACTION: A nucleus decays by β⁺ emission to an excited state, which then undergoes spontaneous fission QID: delayed decay (Q116564446)	• in NUBASE2020
700	24Ne
`dm` 710	¹⁴C	`¹⁴C`	link: ¹⁴C en: heavy cluster decay NUBASE: heavy cluster emission code-id:`14C`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · actinium-225
`dm` 720	²⁰Ne	`²⁰Ne` `20Ne` `Ne-20`	link: ²⁰Ne en: heavy cluster decay NUBASE: heavy cluster emission code-id:`20Ne`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · uranium-235
`dm` 730	²⁴Ne	`<sup>24</sup>Ne` `24Ne` `Ne-24`	link: ²⁴Ne en: heavy cluster decay NUBASE: heavy cluster emission code-id:`24Ne`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · protactinium-231, 230Th, 232Th, 232U, 233U, 234U
`dm` 740	²⁵Ne	`<sup>25</sup>Ne` `25Ne` `Ne-25`	link: ²⁵Ne en: heavy cluster decay NUBASE: heavy cluster emission code-id:`25Ne`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · uranium-235
`dm` 750	²⁵Ne + ²⁸Mg	`²⁵Ne + ²⁸Mg` `25NeAND28Mg` `Ne-25 and Mg-28` `Ne-25 + Mg-28`	link: ²⁵Ne + ²⁸Mg en: heavy cluster decay NUBASE: heavy cluster emission code-id:`25NeAND28Mg`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · uranium-235
`dm` 760	²⁶Ne	`²⁶Ne` `26Ne` `Ne-26`	link: ²⁶Ne en: heavy cluster decay NUBASE: heavy cluster emission code-id:`26Ne`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · uranium-234
`dm` 770	²⁴Ne + ²⁶Ne	`²⁴Ne + ²⁶Ne` `24Ne + 26Ne` `Ne-24 + Ne-26`	link: ²⁴Ne + ²⁶Ne en: heavy cluster decay NUBASE: heavy cluster emission code-id:`24NeAND26Ne`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · uranium-234
`dm` 780	²⁸Mg	`²⁸Mg` `28Mg`	link: ²⁸Mg en: heavy cluster decay NUBASE: heavy cluster emission code-id:`28Mg`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · 232U, 33U, 234U, 235U, 236Pu, 238Pu
`dm` 790	²⁸Mg + ³⁰Mg	`²⁸Mg + ³⁰Mg` `28Mg + 30Mg` `28Mg and 30Mg` `Mg-28 + Mg-30`	link: ²⁸Mg + ³⁰Mg en: heavy cluster decay NUBASE: heavy cluster emission code-id:`28MgAND30Mg`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · 238Pu
`dm` 792	³⁰Mg	`³⁰Mg` `30Mg`	link: ³⁰Mg en: heavy cluster decay NUBASE: heavy cluster emission code-id:`30Mg`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · 237Np, 238Pu
`dm` 794	³²Si	`³²Si` `32Si` `Si-32`	link: ³²Si en: heavy cluster decay NUBASE: heavy cluster emission code-id:`32Si`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · 238Pu
`dm` 796	³⁴Si	`³⁴Si` `34Si` `Si-34`	link: ³⁴Si en: heavy cluster decay NUBASE: heavy cluster emission code-id:`34Si`	• ACTION: QID: cluster decay (Q901540)	• in NUBASE2020 · curium-242
800	natural abundance, half-life (na, hl)
`na` 810	synth	`synth` `synthetic` `syn` `synthetic isotope`	link: synth en: synthetic isotope code-id:`synth`	• ACTION: QID: synthetic radioisotope (Q1194370)	• not in NUBASE2020 not dm (na=natural abundance)
`na` 820	trace	`trace` `traces` `abundance in traces`	link: trace en: trace NUBASE: – code-id:`trace`	• ACTION: QID: trace radioisotope (Q2410022)	• not in NUBASE2020 not dm (na=natural abundance)
`hl` 850	stable	`stable`	link: stable en: stable code-id:`stable`	• ACTION: QID: stable isotope (Q878130)	• in NUBASE2020 not dm (hl=half-life)
`hl` 860	observ. stable	`obs stable` `observational stable`	link: observ. stable en: observationally stable NUBASE: – code-id:`obsstable`	• ACTION: QID: (Q116484654)	• not in NUBASE2020 · bismuth-209 not dm (hl=half-life)
900	Not supported
`dm` 920	incorrect normal-code input: ≠ e-	`e⁻` `e-` `e^-`	link: en: code-id:	• ACTION: QID:	• not in NUBASE2020 e⁻ not implemented
930	`IT ?`	<dm> ? (theor) not implemented Decay mode is energetically allowed, but not experimentally observed			• in NUBASE2020
940	`IT=?`	<dm>=? (theor) not imp;lemented decay is observed, but its intensity is not experimentally known			• in NUBASE2020

/isotope Full parameter list

{{Isotopes/main/isotope |link= |mn= |sym=
 |na= |hl=
 |ref=
 |dm1= |perc1= |link1= |ref1= |pn1= |ps1=
 |dm2= |perc2= |link2= |ref2= |pn2= |ps2=
 |dm3= |perc3= |link3= |ref3= |pn3= |ps3=
 |dm4= |perc4= |link4= |ref4= |pn4= |ps4=
}}

Standard atomic weight

The Infobox contains the table of Main Isotopes (more below), and the standard atomic weight (as published by CIAAW, see {{Infobox element/symbol-to-saw/CIAAW-saw-element-page}}.

what's new

Mar 2023: Main usually refers to Main isotopes (not mainspace, not main-article about ..)

|isobox ref= depr, repl |ref-table=, position=top table TODO check when child

|ref-nubase2020=yes/no (aka |ref-NUBASE2020=) {{NUBASE2020}} named! ref tag! dflt

usage

This is the Infobox for an elements main isotopes. The meta-templatee is {{Infobox isotopes (meta)}} (META)

It contains a table of main isotopes and eventually the standard atomic weight.

This template is reused in {{Infobox <element>}} as a child Infobox (|child=yes).

As of Jan 2023^[update], a 'Main isotope' is conforming MOS:MAINISOTOPE (under construction, see WP:ELEMENTS What is a "Main_isotope"?)

Each isotope has its own row, with decay modes:

ALL PARAMETERS
{{Infobox isotopes (meta)
|symbol    =
|ref-table =
|ref-nubase2020=<!-- yes/no -->
|ref-NUBASE2020=<!-- aka -->
|isotopes  =
{{Isotopes/main/isotope
 |link= |mn= |sym=
 |na= |hl=
 |ref=
 |dm1= |perc1= |link1= |ref1= |pn1= |ps1=
 |dm2= |perc2= |link2= |ref2= |pn2= |ps2=
 |dm3= |perc3= |link3= |ref3= |pn3= |ps3=
 |dm4= |perc4= |link4= |ref4= |pn4= |ps4= }}
|footnote  =
|child     ={{{child|no}}}<!-- [IB element] -->
}}

Table used in {{Infobox element}}

Isotope decay example

Isotopes of ()

Main isotopes			Decay
	abundance	half-life (t_1/2)	mode	product
²³⁴U	95%	2 y^[5]	α	²⁴⁷Cn
²³⁴U	95%	2 y^[5]	β	²⁴²Pu

{{Infobox isotopes (meta)
|symbol=
|isotopes=
{{Isotopes/main/isotope |sym=U |mn=234
 |na=95% |hl=2 y
 |ref=<ref>Reference A</ref>
 |dm1=&alpha; |ps1=Cn |pn1=247
 |dm2=&beta;  |perc2=0.001% |ref2=<ref>Reference decay-2 </ref>|ps2=Pu |pn2=242 }}
{{Isotopes/main/isotope |sym=U |mn=234
 |na=95% |hl=2 y
 |ref=<ref>Reference A</ref>
 |dm1=&alpha; |ps1=Cn |pn1=247
 |dm2=&beta;  |perc2=0.001% |ref2=<ref>Reference decay-2 </ref>|ps2=Pu |pn2=242 }}
}}

more parameters used

Isotopes of ()

Main isotopes^[6]			Decay
	abundance	half-life (t_1/2)	mode	product
²³⁴U	trace	2 y^[7]	α95%	²⁴⁷Cn
²³⁴U	trace	2 y^[7]	β<0.01%	²⁴²Pu

Some Footnote

{{Isotopes/main/isotope |sym=U |mn=234
 |na=trace_link |hl=2 y
 |ref=<ref>Reference A</ref>
 |dm1=&alpha;  |perc1=95%    |link1=Cn-247        |ps1=Cn |pn1=247
 |dm2=&beta;  |perc2=0.005% |link2=plutonium-242 |ps2=Pu |pn2=242 }}

{{Infobox isotopes (meta)
|isotopes=
{{Isotopes/main/isotope
 |link= |sym= |mn=
 |na= |hl=
 |ref=
 |dm1= |perc1= |link1= |ps1= |pn1=
 |dm2= |perc2= |link2= |ps2= |pn2= 
 |dm3= |perc3= |link3= |ps3= |pn3= }}
}}

Standard atomic weight

For stable elements, the formal standard atomic weight (s.a.w.) is added, as published by CIAAW. When the s.a.w. is in interval-notation, its conventional value is added too. Data is retrieved from central s.a.w. values lists, formatting is by {{Infobox element/standard atomic weight format}} (same as {{infobox element}}). Example:

Isotopes of lithium (₃Li)

Main isotopes			Decay
	abundance	half-life (t_1/2)	mode	product

Standard atomic weight A_r°(Li)

[6.938, 6.997]^[8]
6.94±0.06 (abridged)^[4]

{{Infobox isotopes (meta)
|symbol=Li
}}

Tracking

{{Isotopes/main/error-message}}

Category:Isotope template issues (6)

Category:Isotope template trackings (11)

References

^ {{cite book|...}}
^ ^a ^b ^c Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
^ "Standard Atomic Weights: Nickel". CIAAW. 2007.
^ ^a ^b Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
^ Reference A
^ cite book: Hello World
^ Reference A
^ "Standard Atomic Weights: Lithium". CIAAW. 2009.

v t e Isotope templates overview (navbox)
IB isotope	{{Infobox isotope}} PT half-life Category:Isotope table templates (38) Detail
Isotope summary table	{{Isotopes summary}} (Cn)
IB isotopes Main Isotopes table	(Mar2023) {{Infobox isotopes (meta)}} {{Isotopes/main/isotope}} {{../table}} {{../iso-na-hl}} {{../decay}} {{../cell-format}} Category:Infobox element isotopes templates (119) {{Infobox element}} (reuse Main isotopes table)
IB isotopes helpers	{{Isotopes/files/overview}} {{Isotopes/main/error-message}} {{Isotopes/main/error-message}} {{../catsort-table}} {{../compose}} {{../rm sup-sub}} error cat Category:Isotope template issues (7) Category:Isotope template trackings (11) TALK: § IB ISOTOPES (meta) switchover
Isotopes	{{Isotope sequence}} {{Isotope-stub}} {{colour chart}}
Decay mode	{{Isotopes/decay-mode/overview}} {{Isotopes/decay-mode/code/document-status}} {{Isotopes/decay-mode/property/property-list}} {{Isotopes/decay-mode/code/id-list}}
Nuclide templates	{{CheckElement}} {{LinkForElement}} {{NeutronsForElement}} {{ProtonsForElement}} {{SymbolForElement}}
s.a.w.	{{Infobox element/symbol-to-saw}} {../standard} {../abridged} {../year} {../value-type} {../gmr-footnote} (dev, 2023)
NAV	{{Navbox element isotopes}} {{Infobox element/period-8-elements/overview}} (E119 overview & rules) BY PT {{Index to chemical element pages}}
references	{{NUBASE2020}}
{{Navbox element isotopes}} (public) Category:Periodic table templates (53) {{Isos-of-(E)}} (inline) {{Index to chemical element pages}}

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Template:Infobox cerium isotopes

References

Basic example

parameters

Main isotopes table

abundance, half-life trace, synthetic, stable by keyboard code

decay mode (β−β−) by keyboard code

percentage abundance, decay mode formatting

add reference

Decay modes

/isotope Full parameter list

Standard atomic weight

what's new

usage

Isotope decay example

Standard atomic weight

Tracking

References

See also

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decay mode (β⁻β⁻) by keyboard code