
Викторина
Authored by Иван Александрович
Chemistry
8th Grade
Used 8+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Сколько химических элементов известно в настоящее время?
110
118
115
125
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Как называется процесс, при котором один и тот же элемент образовывает несколько простых веществ?
Аллотропия
Аллотропизм
Ионизация
Электроотрицательность
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Жидкий металл при нормальных условиях?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Где в периодичской таблице расположены неметаллы?
В нижнем правом углу
В нижнем левом углу
В верхнем правом углу
В верхнем левом углу
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
7
6
5
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое значение рН свойственно нейтральной среде?
3
9
7
14
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Литий массой 3,5 г сожгли в кислороде. Вычислите массу оксида лития, образовавшегося при этом.
8,2 г
7,5 г
9,5 г
6,2 г
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