| तत्व ब्लॉक | सामान्य बाह्य इलेक्ट्रॉनिक विन्यास |
| $s$-ब्लॉक | $ns^{1-2}$ |
| $p$-ब्लॉक | $ns^{2} np^{1-6}$ |
| $d$-ब्लॉक | $(n-1)d^{1-10} ns^{0-2}$ |
| $f$-ब्लॉक | $(n-2)f^{1-14} (n-1)d^{0-1} ns^{2}$ |
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