Chemistry 5070 · O Level · Metallic bonding

Metallic bonding — practice question

Lead is a metal whose proton number is 82.
(a(i))[1]

Use the Periodic Table to state how many electron shells are occupied in a lead atom.

(a(ii))[1]

Use the Periodic Table to state how many electrons are in the outer shell of a lead atom.

(b)[3]

Describe, with the aid of a labelled diagram, the metallic bonding present in lead.

(c)[1]

Give two physical properties of lead that are common to all metals.

(d)[1]

Lead(II) ethanoate is a white crystalline soluble salt. Name a suitable acid and insoluble base combination used to make lead(II) ethanoate.

(e)[2]

Aqueous lead(II) ethanoate is mixed with aqueous sodium iodide. A yellow precipitate of lead(II) iodide, $\text{PbI}_2$, forms. Construct the ionic equation, with state symbols, for this reaction.

(f)[1]

Explain why solid lead(II) iodide is not suitable for electrolysis.

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