Kemija - 2011./12. jesen - 19.

$6,02\cdot {10}^{22}6,02\; \backslash cdot\; 10^\{22\}$ protona

$6,02\cdot {10}^{23}6,02\; \backslash cdot\; 10^\{23\}$ protona

$1,20\cdot {10}^{22}1,20\; \backslash cdot\; 10^\{22\}$ protona

$1,20\cdot {10}^{23}1,20\; \backslash cdot\; 10^\{23\}$ protona