Урок 2 ОГЭ -карточки валентность и степень окисления

Урок 2 ОГЭ -карточки валентность и степень окисления

9th Grade

15 Qs

quiz-placeholder

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Урок 2 ОГЭ -карточки валентность и степень окисления

Урок 2 ОГЭ -карточки валентность и степень окисления

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Easy

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

валентность азота в молекуле азота N2

I

II

III

IV

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

высшая степень окисления азота

+3

+4

+5

+6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

валентность азота в N2H4

I

II

III

IV

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

высшая валентность меди

I

II

III

IV

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

валентность азота в катионе аммония NH4+

II

III

IV

V

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

высшая степень окисления кислорода

+1

+2

+3

+4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

низшая степень окисления ВСЕХ металлов

-1

0

+1

+2

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