Oxidation state game

Froggy Jumps

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About this activity

for 9a grade 1st group

Created by

Diana Begalina

Kazakhstan

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1	Diana Begalina November 11, 2025	% 100	00:41
2	Anonymous August 14, 2026	% 100	01:10

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Froggy Jumps Oxidation state gameOnline version for 9a grade 1st group by Diana Begalina 1 What does the oxidation state of an element show? a The number of atoms in a molecule b The tendency of atoms to donate or accept electrons c The number of protons in an atom 2 What is the oxidation number of an element in its elemental state (e.g., Al, O₂, N₂)? a +1 b -1 c 0 3 The sum of oxidation numbers in a neutral compound is always: a -1 b +1 c 0 4 What are the oxidation states of potassium (K) and oxygen (O) in K₂CO₃? a +1 for K and -2 for O b +2 for K and -1 for O c +1 for both K and O 5 In the reaction 2Cu + O₂ → 2CuO, what happens to copper? a It is oxidized b It is reduced c It does not change 6 Which of the following statements is TRUE? a Oxidation is the gain of electrons, reduction is the loss of electrons. b Both oxidation and reduction involve losing electrons. c A) Oxidation is the loss of electrons, reduction is the gain of electrons. 7 What is the oxidation state of carbon (C) in potassium carbonate, K₂CO₃? a +2 b +4 c +3

Froggy Jumps

Oxidation state gameOnline version

for 9a grade 1st group

by Diana Begalina

What does the oxidation state of an element show?

The number of atoms in a molecule

The tendency of atoms to donate or accept electrons

The number of protons in an atom

What is the oxidation number of an element in its elemental state (e.g., Al, O₂, N₂)?

-1

The sum of oxidation numbers in a neutral compound is always:

-1

What are the oxidation states of potassium (K) and oxygen (O) in K₂CO₃?

+1 for K and -2 for O

+2 for K and -1 for O

+1 for both K and O

In the reaction 2Cu + O₂ → 2CuO, what happens to copper?

It is oxidized

It is reduced

It does not change

Which of the following statements is TRUE?

Oxidation is the gain of electrons, reduction is the loss of electrons.

Both oxidation and reduction involve losing electrons.

A) Oxidation is the loss of electrons, reduction is the gain of electrons.

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Oxidation state game

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Oxidation state gameOnline version

by Diana Begalina

What does the oxidation state of an element show?

What is the oxidation number of an element in its elemental state (e.g., Al, O₂, N₂)?

The sum of oxidation numbers in a neutral compound is always:

What are the oxidation states of potassium (K) and oxygen (O) in K₂CO₃?

In the reaction 2Cu + O₂ → 2CuO, what happens to copper?

Which of the following statements is TRUE?

What is the oxidation state of carbon (C) in potassium carbonate, K₂CO₃?