Oxidation numbers

Oxidation numbers

9th - 12th Grade

25 Qs

quiz-placeholder

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Oxidation numbers

Oxidation numbers

Assessment

Quiz

Chemistry

9th - 12th Grade

Practice Problem

Medium

NGSS
HS-PS1-1, HS-PS1-2

Standards-aligned

Used 691+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidation number of O in its stable elemental form, O2:

0

-1

-2

+2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Oxidation number of O in the compound H2O2:

0

-1

-2

+2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidation number of O in the compound H2O:

0

-1

-2

+2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidation number of O in the ion H3O+:

0

-1

-2

+2

Tags

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidation number of Fe in its elemental form:

0

-2

+2

+3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidation number of Fe in FeO:

0

-2

+2

+3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Oxidation number of Fe in Fe2O3:

0

-2

+2

+3

Tags

NGSS.HS-PS1-1

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