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P7 Oxidation Numbers

Authored by Alida Echeverria

Chemistry

9th - 12th Grade

Used 19+ times

P7 Oxidation Numbers
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation number, for elements in Group 17?

+ 1

-7

-1

0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge, or oxidation number, for elements in Group 2?

-2

+2

-3

3.

MATCH QUESTION

3 mins • 1 pt

Match the following, remember the rules

the charge of the ion

Cu

The oxidation number is Zero (0)

0 (zero)

NO3-

The oxidation number is -1

The oxidation number of a polyatomic ion must be equal to:

the oxidation number is -3

The algebraic sum of oxidation numbers of a neutral atom (alone atom) or molecule is equal to

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation number for O2?

+1

+2

-1

0

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the oxidation number of N in NO21- ?

-3
+4
-2
+3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidation number of O in the compound H2O2:

0

-1

-2

+2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the total sum of oxidation numbers in the following compound Li3PO4?

+2

-1

0

+5

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