Химические элементы 7 класс
Authored by Marins Dzyubina
Chemistry
7th - 8th Grade
Used 41+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Азот
F
Na
N
Cl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фосфор
B
Mn
F
P
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько весит железо
103
55
56
45
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько протонов у атома мышьяка
14
7
33
11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько электронов у атома серебра
47
26
54
28
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько весит атом кислорода
15
16
18
30
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько весит атом хлора
40
35
35,5
36
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