
Assesment Awal
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Medium
Kammriyati Kammriyati
Used 8+ times
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6 questions
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1.
OPEN ENDED QUESTION
5 sec • 1 pt
apa yang terpikir oleh kalian bila melihat gambar ini!
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Answer explanation
ini adalah air, Sangat penting bagi kehidupan, digunakan untuk mandi dan mencuci
2.
OPEN ENDED QUESTION
5 sec • 1 pt
apa yang kamu pikirkan kalo melihat gambar ini!
Evaluate responses using AI:
OFF
Answer explanation
Ini gambar garam, Sangat penting bagi kehidupan, digunakan untuk mandi dan mencuci
3.
OPEN ENDED QUESTION
5 sec • 1 pt
Apakah kalian tahu unsur yang terkandung Dalam air
Evaluate responses using AI:
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Answer explanation
unsur penyusun dari air yaitu H dan O
4.
OPEN ENDED QUESTION
5 sec • 1 pt
Apakah kalian tahu Unsur penyusun dari garam?
Evaluate responses using AI:
OFF
Answer explanation
Unsur penyusun dari garam adalah Na dan CL,
5.
FILL IN THE BLANK QUESTION
1 min • 3 pts
Berapa electron valensi dari unsur-unsur penyusun air dan garam?
Answer explanation
Na = 1S2 2s2 2sp6 3s1
Cl = 1S2 2s2 2sp6 3s2 2sp5
H = 1S1
O = 1S2 2s2 2sp4
6.
FILL IN THE BLANK QUESTION
1 min • 3 pts
Bagaiman unsur-unsur tersebut membentuk Ikatan Kimia?
Answer explanation
1. Dengan cara Na melepaskan 1e sehingga Na bermuatan positi (+) menjadi Na+ mengikuti kaidah Duplet, Sedang Cl menerima 1 e sehingga Cl membentuk ion Negatif (-) menjadi Cl- mengikuti aturan oktet
- H menyediakan 1 e utuk dipakai bersama dengan O, sehingga H mengikuti kaidah duplet, sedangkan O menyediakan 6 sehingga mengikuti kaidah oktet
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