Edexcel iGCSE Chemistry - 1f Ionic bonding - Ions to learn

What is the formula of a sodium ion?

• Na⁻

• Na2⁺

• NaCl
• Na⁺

What is the formula of a magnesium ion?

• Mg⁻

• Mg²⁺

• MG²⁺

• Mg

What is the formula of an oxygen ion?

• O^2-

• O^-

• O²⁺

• O⁺

What is the formula of a chloride ion?

• Cl^-

• Cl^2-

• Cl²⁺

• Cl⁺

What is the formula of a silver ion?

• Ag^2⁺

• Ag^3⁺

• Ag^-

• Ag^⁺

What is the formula of a copper (II) ion?

• Cu^2⁺

• Cu^3⁺

• Cu^-

• Cu^⁺

What is the formula of a iron (II) ion?

• Fe^2⁺

• Fe^3⁺

• Fe^-

• Fe^⁺

What is the formula of a iron (III) ion?

• Fe^2⁺

• Fe^3⁺

• Fe^-

• Fe^⁺

What is the formula of a lead ion?

• Pb^2⁺

• Pb^3⁺

• Pb^-

• Pb^⁺

What is the formula of a zinc ion?

• Zn^2⁺

• Zn^3⁺

• Zn^-

• Zn^⁺