Викторина по химии "Вспомнить первую четверть"
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Дарья Белецкая
Used 2+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Атом нейтрален за счет равенства
Протонов и нейтронов
Протонов и электронов
Нейтронов и электронов
Электронов и позитронов
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Наибольший радиус имеет
Li
Na
Cs
Fr
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Алюминий имеет заряд ядра
+13
+3
+27
-13
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Относительная молекулярная масса хлорида натрия (NaCI)
59
58,5
59,5
58
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Массовая доля водорода в воде равна
10%
11%
99%
89%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В соединении KMnO4 марганец имеет степень окисления
+5
+6
+2
+7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На рисунке изображена модель атома
Фтора
Никеля
Хлора
Аргона
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое количество электронов на внешнем энергетическом уровне имеет атом фосфора?
5
15
31
3
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