
kiểm tra kiến thức hoá 7
Authored by Jennifer Đặng
Chemistry
7th Grade

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử nào có kí hiệu hoá học là N?
Nickel
Niobium
Neon
Nitrogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử nào có kí hiệu hoá học là K?
Potassium
Sodium
Krypton
Calcium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử nào có kí hiệu hoá học là Na?
Potassium
Sodium
Krypton
Calcium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử Chlorine có kí hiệu hoá học là?
C
Cl
Cr
Ca
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tử khối của nguyên tố Oxygen (O) là:
16
18
20
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tử khối của nguyên tố Carbon (C) là:
12
14
16
11
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có kí hiệu hoá học là Cu
Calcium
Chlorine
Copper
Cobalt
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