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Халькогены

Quiz

Played 1 %Accuracy 100 Average time 00:52

About this activity

Химия 16-ой группы

Created by

Kazakhstan

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Халькогены
 

ХалькогеныOnline version

Химия 16-ой группы

by Milana Kolesnik
1

В какой группе Периодической системы находятся халькогены?

2

Сколько электронов на внешнем энергетическом уровне у халькогенов?

3

Кислород составляет около 21% воздуха

4

Как изменяются металлические свойства халькогенов сверху вниз по группе?

5

Где в атмосфере сосредоточен озон, образующийся за счёт кислорода?

6

Каким способом можно получить кислород промышленно?

7

Какой элемент группы халькогенов используют в производстве резины?

8

Какой элемент группы халькогенов входит в состав белков (например, в аминокислоты цистеин и метионин)?

9

Какова основная роль озонового слоя?

10

Какое соединение серы имеет характерный запах тухлых яиц?

Объяснение

Озон образуется в стратосфере под действием солнечного света.

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