Golongan dan periode 82 Pb

<p><strong>Pembahasan</strong></p><p>Gunakan pengisian elektron pd orbital2 nya dgn aturan Aufbau&nbsp;</p><p>&nbsp;</p><p>2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1s²&nbsp;</p><p>8 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2s² 2p⁶</p><p>18 &nbsp; &nbsp; &nbsp; &nbsp;3s² 3p⁶ 3d¹⁰</p><p>32 &nbsp; &nbsp; &nbsp; &nbsp;4s² 4p⁶ 4d¹⁰ 4f¹⁴</p><p>18 &nbsp; &nbsp; &nbsp; &nbsp;5s² 5p⁶ 5d¹⁰</p><p>4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<strong>6s² 6p²</strong></p><p>____</p><p><strong>82</strong></p><p>&nbsp;</p><p>Dari pengisian elektron pd orbitalnya, ternyata Pb memiliki 6 kulit utama dan 4 buah elektron terluar (mengisi orbital s dan p)&nbsp;</p><p>Disimpulkan Pb berada pd <strong>periode 6</strong> dan <strong>golongan IVA</strong></p><p>&nbsp;</p>