:Template:Isotope sequence
{{s-start}}
|- style="text-align: center;"
| style="width:35%;" | Lighter:
{{{lighter}}}
| style="width:30%;" | {{PAGENAME}} is an
isotope of {{{element}}}
| style="width:35%;" | Heavier:
{{{heavier}}}
|- style="text-align: center;"
| style="width:35%;" | Decay product of:
{{{before}}}
| style="width:30%;" | Decay chain
of {{lc:{{PAGENAME}}}}
| style="width:35%;" | Decays to:
{{{after}}}
{{s-end}}{{#invoke:Check for unknown parameters|check
| unknown = {{main other|1=S _VALUE_}}
| preview = unknown parameter "_VALUE_"
| showblankpositional=1
| lighter |heavier |element |before |after
}}