
KHTN7.B3
Quiz
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Tran Van Trung Hai (FE FSC DN)
Used 2+ times
FREE Resource
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35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố hóa học là tập hợp nguyên tử cùng loại có cùng
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một nguyên tố hóa học có nhiều loại nguyên tử có khối lượng khác nhau vì
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số lượng hạt nào đặc trưng cho nguyên tố hóa học?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho thành phần các nguyên tử như sau: X (17p,17e, 16 n), Y (20p, 19n, 20e), Z (17p,17e, 16 n), T (19p,19e, 20n). Có bao nhiêu nguyên tố hóa học?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kí hiệu biểu diễn nguyên tử chlorine là
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kí hiệu biểu diễn hai nguyên tử oxygen là
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kí hiệu H để biểu diễn nguyên tố nào sau đây?
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