Argon-40
= Argon-40
{title2=$^{40}_{18}\mathrm{Ar}$}
<Argon-40> is a stable <isotope> with 18 <protons> and 22 <neutrons>. Radiogenic <argon-40> accumulated from <potassium-40> is a daughter product used in <potassium-argon dating>.
= Argon-40
{title2=$^{40}_{18}\mathrm{Ar}$}
<Argon-40> is a stable <isotope> with 18 <protons> and 22 <neutrons>. Radiogenic <argon-40> accumulated from <potassium-40> is a daughter product used in <potassium-argon dating>.