Kemija - 2017. jesen, 3.

$[\mathrm{N}\mathrm{e}]3{\mathrm{s}}^{2}3{\mathrm{p}}^1[\backslash mathrm\{Ne\}]\; ~3\; \backslash mathrm\{s\}^\{2\}\; 3\; \backslash mathrm\{p\}^\{1\}$

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

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

$[\mathrm{A}\mathrm{r}]4{\mathrm{s}}^{2}4{\mathrm{p}}^5[\backslash mathrm\{Ar\}]\; ~4\; \backslash mathrm\{s\}^\{2\}\; 4\; \backslash mathrm\{p\}^\{5\}$