RUNG CHUÔNG VÀNG

Quiz
•
Science
•
7th Grade
•
Medium
R N
Used 8+ times
FREE Resource
5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
1/ Chất nào là đơn chất?
Ne, NaCl
NaCl, O2
Ne, O2 NaCl
Ne, O2
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
2/ Chất nào là Hợp chất?
O2
Ne, O2
NaCl
Ne
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
3. Khi tạo thành các đơn chất, hợp chất số electron lớp ngoài cùng của các nguyên tố bằng bao nhiêu?
5 electron
6 electron
7 electron
8 electron
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
4. Dãy các gồm nguyên tố khí hiếm
He, Ne, Ar, Kr
H, Ne, Ar, Kr
He, Na, Ar, Kr
He, Ne, Ar, K
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
5/ Trong bảng tuần hoàn, các nguyên tố khí hiếm thuộc nhóm
Nhóm VA.
Nhóm VIIA.
Nhóm VIIIA.
Nhóm VIA.
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