
Строение атома, Периодический закон, СО
Authored by Полина Сидоровская
Chemistry
8th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления азота в Mg(NO2)2
+5
+3
+1
-3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
У кого наибольшая электроотрицательность?
O
S
Se
Te
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
У кого наименьший радиус атома?
Ca
Sr
Ba
Ra
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Степень окисления фосфора в Cu3P2
+3
+1
+2
-3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
У кого наибольшие окислительные свойства?
Сl
S
P
Si
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Заряд ядра у Al
+3
+27
+13
-3
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Число протонов у калия
39
1
19
4
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