Ions and Valency Quiz Form
Test your knowledge of ions and valency in chemistry with this interactive quiz. Please answer all questions to the best of your ability.
Which of the following is a cation?
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Na⁺
Cl⁻
SO₄²⁻
NO₃⁻
What is the valency of oxygen?
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1
2
3
4
Select all ions that are anions.
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Cl⁻
Na⁺
SO₄²⁻
Mg²⁺
How would you rate your confidence in determining the charge of common ions?
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Not confident
1
2
3
4
Very confident
5
1 is Not confident, 5 is Very confident
Which of the following ions has a charge of 2+?
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Fe³⁺
Mg²⁺
Cl⁻
NH₄⁺
Match the ion to its correct chemical formula.
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Rows
Formula
Sodium ion
Sulfate ion
Ammonium ion
Nitrate ion
Which element commonly forms a 1- anion?
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Chlorine
Calcium
Magnesium
Aluminum
Select all ions with a valency of 2.
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O²⁻
Mg²⁺
Na⁺
SO₄²⁻
What is the correct formula for the sulfate ion?
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SO₄²⁻
SO₃²⁻
NO₃⁻
CO₃²⁻
Briefly explain what is meant by 'valency' in chemistry.
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