Tolong dong kerjain yang contoh soal

<p><strong>1. 8O = 1s², 2s², 2p⁴</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Periode = 2</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Golongan = VI A</strong></p><p><strong>2. 17Cl = 1s², 2s², 2p6, 3s², 3p5</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Periode = 3</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Golongan = VII A</strong></p><p><strong>3. 32Ge = 1s², 2s², 2p6, 3s², 3p6, 4s², 3d10, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 4p²</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Periode = 4</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Golongan = IV A</strong></p><p><strong>4. 47Ag = 1s², 2s², 2p6, 3s², 3p6, 4s2, 3d10, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 4p6, 5s², 4d9</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Periode = 5</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Golongan = I B</strong></p><p><strong>5. 78Pt = 1s², 2s², 2p6, 3s2, 3p6, 4s2, 3d10, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;4p6, 5s2, 4d10, 5p6, 6s2, 4f¹⁴, 5d8</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Periode = 6</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Golongan = VIII B</strong></p>