1. Jelaskan hubungan antara jumlah elektron valensi dengan posisi unsur dalam golongan pada tabel periodik!
SISTEM PERIODIK UNSUR

Quiz
•
Chemistry
•
11th Grade
•
Hard
Wanti Marajabesi
Used 2+ times
FREE Resource
10 questions
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1.
OPEN ENDED QUESTION
3 mins • 6 pts
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2.
OPEN ENDED QUESTION
5 mins • 6 pts
2. Diketahui unsur-unsur berikut:
- Unsur A: 1s² 2s² 2p⁶ 3s²
- Unsur B: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹
- Unsur C: 1s² 2s² 2p⁶ 3s² 3p⁴
Kelompokkan masing-masing ke dalam golongan dan periode yang sesuai!
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3.
OPEN ENDED QUESTION
5 mins • 8 pts
3. Bagaimana jumlah kulit elektron dapat memengaruhi besar kecilnya energi ionisasi suatu unsur? Jelaskan dengan contoh
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4.
OPEN ENDED QUESTION
5 mins • 8 pts
4. Bagaimana posisi suatu unsur dalam periode dan golongan dapat memengaruhi afinitas elektronnya? Jelaskan
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5.
OPEN ENDED QUESTION
3 mins • 6 pts
5. Jelaskan mengapa jari-jari atom bertambah besar dari atas ke bawah dalam satu golongan pada tabel periodik!
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6.
OPEN ENDED QUESTION
5 mins • 10 pts
6. Bandingkan tingkat reaktivitas antara logam alkali (golongan IA) dan halogen (golongan VIIA)! Jelaskan perbedaan reaktivitas tersebut berdasarkan letaknya dalam tabel periodik
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7.
OPEN ENDED QUESTION
5 mins • 6 pts
7. Apakah benar bahwa semua unsur yang terletak di sebelah kiri tabel periodik adalah logam? Jelaskan dan berikan contoh pengecualian jika ada
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