Тест по химии — перевод и решения

Тест по химии — перевод и решения

9th Grade

57 Qs

quiz-placeholder

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Тест по химии — перевод и решения

Тест по химии — перевод и решения

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Medium

Created by

Maral Marall

Used 2+ times

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57 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Оксиды, реагирующие с водой с образованием основания (щелочи).

K2O, BaO, SrO

CO, Al2O3, FeO

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Реагируют с водой с образованием оксида/гидроксида:

Hg

Zn

Ca

Na

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Максимальное количество электронов на 4 энергетическом уровне

32

16

24

8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Сколько изотопов у водорода?

3

4

2

1

5.

MATCH QUESTION

30 sec • 1 pt

Сопоставьте: знак элемента, электронная формула, формула высшего оксида.

RO2

1s2 2s2 2p6 3s2 3p1

RO

1s2 2s2 2p6 3s2 3p5

RO

1s2 2s2 2p6 3s2 3p2

RO2

1s2 2s2 2p6 3s2 3p6 4s2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ряд металлов.

P, Ag

Ca, Cu

Fe, C

K, O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Активный металл

F

Ag

Mg

K

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