bảng tuần hoàn sgk hóa 8 trang 42

Quiz
•
Life Skills
•
6th - 8th Grade
•
Medium
hyseus Sir
Used 24+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
nguyên từ khối của hydro ?
1
15
75
16
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
nguyên tử khối của oxi ?
27
16
35
39.9
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
nguyên tử khối của heli ?
4
16
37
40
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
nguyên tử khối của beri ?
7
9
12
64
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
nguyên tử khối của bo ?
11
9
64
35
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
nguyên tử khối của liti ?
7
28
19
56
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
nguyên tử khối của cacbon ?
14
12
16
20
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