Oxygen (O) ❍｜appendage｜___｜20260628174208-07-•

Main isotopes [^6]	…	…	Decay	…
Isotope	abun­dance	half-life (t ${}_{1/2}$)	mode	pro­duct
${}^{15}$ O	trace	122.27 s	β${}^{+}$	${}^{15}$N
${}^{16}$ O	99.8%	stable	…	…
${}^{17}$ O	0.0384%	stable	…	…
${}^{18}$ O	0.205%	stable	…	…

(echo:: @ ᯤ)