The Periodic Table: chemical periodicity — Chemistry 9701 AS & A Level Question & Worked Solution

(a(i))[1]

Fill in the row headed ‘bonding present in element’. Select C = covalent, I = ionic, M = metallic, where appropriate.

(a(ii))[2]

Explain why the first ionisation energies of the elements with atomic numbers 11 and 17 are different.

(a(iii))[2]

Explain why the first ionisation energies of the elements with atomic numbers 15 and 16 are different.

(a(iv))[1]

Complete the row headed ‘maximum oxidation number’.

(a(v))[2]

Explain how anionic radius changes for the elements with atomic numbers 14 to 17.

(b)[2]

Using the axes, sketch a graph to show the melting-point trend for the elements with atomic numbers 11 to 17.

(c)[3]

Complete the table by predicting the missing values for the Group 13 elements.

(d(i))[1]

Identify the formula of the salt produced when indium reacts with hydrochloric acid.

(d(ii))[1]

Construct an equation for the reaction of $\text{In}_2\text{O}_3$ with excess aqueous $\text{NaOH}$.

(d(iii))[2]

Draw a diagram that clearly shows the kinds of bond present in $\text{In}_2\text{Br}_6(g)$.

The Periodic Table: chemical periodicity — practice question