Unit 3 Lesson 1 Practice Test

Ionic bonds are formed between...

• Non - metals

• A metal and a non-metal

• Metals

How is an ionic bond formed?

• Sharing of electrons

• Delocalised electrons

• Transfer of electrons

Which of the below is an ionic compounds?

• Ni

• MgCl₂

• H₂O

• CH₄

An example of an ionic compound is Sodium Chloride, which is made from Na⁺ and Cl^- ions. Why do these ions form an ionic bond?

• They have like charges

• They are from the same group

• They are from the same period

• They have opposite charges

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Lithium is in group 1 of the periodic table, which ion would it form?

• Li^-

• Li^2-

• Li⁺

• Li²⁺

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Oxygen is in group 6 of the periodic table, which ion would it form?

• O^-

• O⁺

• O^2-

• O²⁺

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Lead(II) Chloride is an ionic compound, made up from Pb²⁺ ions and Cl^- ions. Which is the correct formula for this compound?

• PbCl₃

• PbCl

• PbCl₄

• PbCl₂

Which of the following could NOT form an ionic compound? Check all that apply.

• Li⁺ and Cl^-

• F^- and O^2-

• Ba²⁺ and Ag⁺

• Mg²⁺ and S^2-

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Which of the following could form an ionic compound? Check all that apply.

• Na⁺ and F^-

• S^2- and O^2-

• Ca²⁺ and Fe³⁺

• Mg²⁺ and Cl^-

Which element(s) will lose valence electrons to form an ion? Check all that apply.

• Phosphorus

• Iron

• Barium

• Neon

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