Di bawah ini konfigurasi elektron metode kulit atom yang benar untuk <img align="middle" alt="begin mathsize 14px style Ca presubscript 20 end style" class="Wirisformula" data-custom-editor="chemistry" data-mathml="«math class=¨wrs_chemistry¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mmultiscripts»«mi»Ca«/mi»«mprescripts/»«mn»20«/mn»«none/»«/mmultiscripts»«/mstyle»«/math»" data-latex="\style{font-size:14px}{{}_{20}\mathrm{Ca}}" height="15" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -5px;" width="30" />&nbsp;yaitu&hellip;

Unsur yang pada temperatur rendah tidak menghantarkan listrik namun dapat menghantarkan listrik pada temperatur tinggi termasuk golongan unsur&hellip;

Unsur Z terletak pada golongan VIIA periode 3. Berdasarkan hal tersebut maka nomor atom unsur Z adalah&hellip;

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<img align="middle" alt="begin mathsize 12px style 1 straight s squared space 2 straight s squared space 2 straight p to the power of 6 space 3 straight s squared space 3 straight p to the power of 6 space 4 straight s squared space 3 straight d to the power of 10 4 straight p squared space 5 straight s squared space 4 straight d to the power of 6 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mn»1«/mn»«msup»«mi mathvariant=¨normal¨»s«/mi»«mn»2«/mn»«/msup»«mo»§#160;«/mo»«mn»2«/mn»«msup»«mi mathvariant=¨normal¨»s«/mi»«mn»2«/mn»«/msup»«mo»§#160;«/mo»«mn»2«/mn»«msup»«mi mathvariant=¨normal¨»p«/mi»«mn»6«/mn»«/msup»«mo»§#160;«/mo»«mn»3«/mn»«msup»«mi mathvariant=¨normal¨»s«/mi»«mn»2«/mn»«/msup»«mo»§#160;«/mo»«mn»3«/mn»«msup»«mi mathvariant=¨normal¨»p«/mi»«mn»6«/mn»«/msup»«mo»§#160;«/mo»«mn»4«/mn»«msup»«mi mathvariant=¨normal¨»s«/mi»«mn»2«/mn»«/msup»«mo»§#160;«/mo»«mn»3«/mn»«msup»«mi mathvariant=¨normal¨»d«/mi»«mn»10«/mn»«/msup»«mn»4«/mn»«msup»«mi mathvariant=¨normal¨»p«/mi»«mn»2«/mn»«/msup»«mo»§#160;«/mo»«mn»5«/mn»«msup»«mi mathvariant=¨normal¨»s«/mi»«mn»2«/mn»«/msup»«mo»§#160;«/mo»«mn»4«/mn»«msup»«mi mathvariant=¨normal¨»d«/mi»«mn»6«/mn»«/msup»«/mrow»«/mstyle»«/math»" height="14" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -2px;" width="240" />&nbsp;

Unsur Y memiliki 40 elektron. Oleh karena itu konfigurasi elektronnya&hellip;

Unsur X dengan nomor atom 69 pada sistem periodik unsur terletak pada golongan&hellip;

Konfigurasi unsur K yang bernomor atom 19 menggunakan metode kulit adalah &hellip;

Ion B2+ memiliki konfigurasi elektron 1s2 2s2 2p6 3s2 3p6 . Letak unsur B dalam tabel periodik adalah &hellip;.

Unsur Z terletak pada golongan VIA dan periode 3, jumlah elektron pada subkulit s adalah sebanyak &hellip;.

Unsur A&nbsp; memiliki jumlah proton 45, letak unsur A dalam tabel periodik adalah &hellip;.

Unsur dibawah ini yang merupakan logam transisi bernomor atom &hellip;.