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File: /var/www/public_html/grid-nakita/application/libraries/Article_lib.php
Line: 624
Function: _error_handler
File: /var/www/public_html/grid-nakita/application/controllers/Read.php
Line: 79
Function: xplore
File: /var/www/public_html/grid-nakita/index.php
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Function: _error_handler
File: /var/www/public_html/grid-nakita/application/controllers/Read.php
Line: 79
Function: xplore
File: /var/www/public_html/grid-nakita/index.php
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Function: require_once
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Filename: libraries/Article_lib.php
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File: /var/www/public_html/grid-nakita/application/libraries/Article_lib.php
Line: 638
Function: _error_handler
File: /var/www/public_html/grid-nakita/application/controllers/Read.php
Line: 79
Function: xplore
File: /var/www/public_html/grid-nakita/index.php
Line: 328
Function: require_once
- Kecenderungan jari-jari atom dalam satu periode dari kiri ke kanan adalah makin mengecil.
Sebab, meskipun jumlah kulit sama, namun bertambahnya nomor atom adalah bertambahnya massa atom (proton) yang bermuatan positif.
Dengan demikian terjadi gaya tarik-menarik yang lebih kuat antara inti atom yang bermuatan positif terhadap elektron valensi yang bermuatan negatif sehingga jari-jari atom memendek.
Unsur dengan jari-jari atom terpendek adalah unsur He.
- Kecenderungan jari-jari atom dalam satu golongan dari atas ke bawah adalah makin membesar sebab bertambahnya jumlah kulit atom menambah panjang jarak dari inti atom ke elektron valensi.
Gaya tarik-menarik antara inti atom dan elektron valensi pun melemah dengan semakin bertambahnya kulit atom.
Hal ini akan membuat elektron valensi mudah lepas.
Unsur dengan jari-jari atom terpanjang adalah unsur Fr.
Nah, itu dia penjelasan mengenai jari-jari atom dan kunci jawaban soalnya, bab 5 IPA kelas X SMA Kurikulum Merdeka.
Semoga bermanfaat!
Baca Juga: Struktur Atom dan Kunci Jawaban Aktivitas 5.2, Bab 5 IPA Kelas X SMA Kurikulum Merdeka
Penulis | : | Ratnaningtyas Winahyu |
Editor | : | Ratnaningtyas Winahyu |
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