Symbol in context

$N_{235}$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Meanings in context

Article-grounded definition

the surviving parent uranium atoms.

\frac{N_{206}}{N_{238}} = e^{\lambda_{238} t} - 1, \qquad \frac{N_{207}}{N_{235}} = e^{\lambda_{235} t} - 1,

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

N_{235}

the surviving parent uranium atoms.