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валентность

Authored by София Рогачевская

Chemistry

8th Grade

Used 4+ times

валентность
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23 questions

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1.

MULTIPLE SELECT QUESTION

20 sec • 5 pts

Выберите элементы валентность, которых равна I

Na

K

H

Li

F

2.

MULTIPLE SELECT QUESTION

20 sec • 5 pts

Выберите элементы валентность, которых равна II

Ca

Mg

O

Ba

3.

MULTIPLE SELECT QUESTION

20 sec • 5 pts

Выберите элементы валентность, которых равна III

Al

B

Ca

H

4.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Валентность бывает постоянной и переменной

Правда

Ложь

5.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

4

5

6

0

6.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Укажите возможные валентности атома серы

II

III

IV

V

VI

7.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Укажите атомы с постоянной валентностью

Н

Na

Cl

Fe

Al

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