តើណាមួយជាសមាសធាតុកូវ៉ាឡង់?

៣.១ សម្ព័ន

Quiz
•
Science
•
10th Grade
•
Hard
ork pov
Used 5+ times
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl
KNO3
HCl
CaO
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
តើណាមួយជាសមាសធាតុអុីយ៉ុង?
H2O
CH4
MgCl2
HNO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
អុីយ៉ុងសូដ្យូមមានរូបមន្ត Na+ ។ តើលោហៈ Na បានបោះបង់ប៉ុន្មានអេឡិចត្រុង?
1e-
2e-
3e-
4e-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
អុីយ៉ុងអុកស៊ីសែនមាននិម្មិតសញ្ញា O2- ។ គេថាអាតូមអុកស៊ីសែន ៖
ក. ទទួលយក2e-
ខ. បោះបង់2e-
គ. បោះបង់1e-
ឃ. ចម្លើយ ក និងខ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
អាតូមមួយ ឬក្រុមអាតូមមួយដែលមានបន្ទុកអគ្គិសនី គេហៅថា ៖
អេឡិចត្រុង
ម៉ូលេគុល
ច្បាប់អដ្ឋតា
អុីយ៉ុង
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ពេលអាតូមកាល់ស្យូមក្លាយជាអុីយ៉ុងកាស់ស្យូម មានន័យថា ៖
វាទទួលបាន 1 អេឡិចត្រុង
វាទទួលបាន 2 អេឡិចត្រុង
វាទទួលបាន 2 ប្រូតុង
វាបាត់បង់ 2 អេឡិចត្រុង
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
តើធាតុគូណាមួយដែលមានទំនោរបង្កើតសម្ព័ន្ធកូវ៉ាឡង់បានខ្លាំងជាងគេ?
កបូន និងក្លរ
លីចូម និងភ្លុយអរ
សូដ្យូម និងស្ពាន់ធ័រ
ម៉ាញ៉េស្យូម និងអុកស៊ីសែន
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