Kemija - 2015./16. jesen - 6.

$[\mathrm{N}\mathrm{e}]3{\mathrm{s}}^1[\backslash mathrm\{Ne\}]\; ~3\; \backslash mathrm\{s\}^\{1\}$

$[\mathrm{A}\mathrm{r}]4{\mathrm{s}}^1[\backslash mathrm\{Ar\}]\; ~4\; \backslash mathrm\{s\}^\{1\}$

$[\mathrm{N}\mathrm{e}]3{\mathrm{s}}^2[\backslash mathrm\{Ne\}]\; ~3\; \backslash mathrm\{s\}^\{2\}$

$[\mathrm{A}\mathrm{r}]4{\mathrm{s}}^2[\backslash mathrm\{Ar\}]\; ~4\; \backslash mathrm\{s\}^\{2\}$