Ôn tập giữa kì I - KHTN hóa 7
7th Grade
•16 Qs
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Ôn tập giữa kì I - KHTN hóa 7
Quiz
•
Chemistry
•
7th Grade
•
Medium
Anh Kiều
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Nguyên tử có 12 electron ở lớp vỏ. Hỏi trong hạt nhân có bao nhiêu hạt mang điện?
12
24
6
48
2.
FILL IN THE BLANK QUESTION
45 sec • 5 pts
Trong nguyên tử, hạt không mang điện là
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Cấu tạo lớp vỏ electron của nguyên tử Na (Z = 11) là
2/8/2
2/8/1
2/8
2/9
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Cách viết biểu diễn 5 nguyên tử nitrogen là
5n
5N
5Ni
5.
FILL IN THE BLANK QUESTION
45 sec • 5 pts
Kí hiệu hóa học của Sodium là
6.
FILL IN THE BLANK QUESTION
45 sec • 5 pts
Tên của nguyên tố B là
7.
FILL IN THE BLANK QUESTION
45 sec • 5 pts
Tên gọi của nguyên tố Cl là
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