Oxidation Numbers and Ion Charges

Oxidation Numbers and Ion Charges

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video explains how to find the oxidation numbers for each element in ammonium nitrite (NH4NO2). It breaks down the compound into ammonium and nitrite ions, each with its respective charge. The oxidation numbers for nitrogen and hydrogen in the ammonium ion are calculated, followed by the oxidation numbers for nitrogen and oxygen in the nitrite ion. The video concludes by summarizing that the overall oxidation numbers add up to zero, confirming the compound's neutrality.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the overall charge of ammonium nitrite?

Positive

Negative

Neutral

Variable

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the ammonium ion?

Variable

Negative

Positive

Neutral

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen atoms are present in the ammonium ion?

Two

Three

Five

Four

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation number of nitrogen in the ammonium ion?

-3

+3

0

+1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the nitrite ion?

Negative

Variable

Positive

Neutral

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical oxidation number of oxygen in compounds?

-2

0

-1

+2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many oxygen atoms are present in the nitrite ion?

Four

Two

One

Three

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