
ON TAP CHUONG 3
Authored by Oanh Nguyễn
Chemistry
12th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi nguyên tử nhường hoặc nhận electron sẽ tạo thành
A. phân tử.
B. ion.
C. cation.
D. anion.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi nguyên tử nhường electron sẽ tạo thành
A. phân tử.
B. ion.
C. cation.
D. anion.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi nguyên tử nhận electron sẽ tạo thành
A. phân tử.
B. ion.
C. cation.
D. anion.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quá trình tạo thành ion Al3+ nào sau đây là đúng?
A. Al → Al3+ + 2e.
B. Al → Al3+ + 3e.
C. Al + 3e → Al3+.
D. Al + 2e → Al3+.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quá trình tạo thành ion Cl- nào sau đây là đúng?
A. Cl → Cl- + 1e.
B. Cl → Cl- + 2e.
C. Cl + 2e → Cl-.
D. Cl + 1e → Cl-.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chỉ ra ion đa nguyên tử trong các ion sau:
A. Ca2+.
B. Na+.
C. .
D. Cl-.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chỉ ra ion đơn nguyên tử trong các ion sau:
Ca2+.
SO42-
NH4+.
PO42- .
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