1 (a) Complete Table 1.1 using relevant information from the Periodic Table.

[2]

(b) State and explain the difference in the ionic radius of \(\mathrm{Al}{ }^{3+}\) compared to \(\mathrm{Mg}^{2+}\).
............................................................................................................................................... .
............................................................................................................................................... .
............................................................................................................................................... . ......................................................................................................................................... [3]

(c) Draw a labelled diagram to show the structure and bonding in sodium.
[1]

(d) Fig. 1.1 shows the variation in melting point of some Period 3 elements in their standard states at room temperature and pressure.

(i) Explain why Si has a high melting point.
....................................................................................................................................... .
....................................................................................................................................... . ................................................................................................................................. [1]
(ii) Complete Fig. 1.1 to show the variation in the melting points of the elements \(\mathrm{P}, \mathrm{S}\) and C .
[2]

(e) Two Period 3 elements react with an excess of oxygen at room pressure.
(i) Complete Table 1.2.

[2]
(ii) The solutions made in column 3 of Table 1.2 are mixed together.
Name the type of reaction that occurs.
................................................................................................................................. [1]
(iii) Write an equation to describe the reaction between \(\mathrm{P}_{4} \mathrm{O}_{10}\) and an excess of water.
................................................................................................................................. [1]

(f) Aluminium hydroxide is amphoteric.
(i) Explain what is meant by amphoteric.
....................................................................................................................................... . ................................................................................................................................. [1]
(ii) Write an equation to describe the reaction that occurs when aluminium hydroxide, \(\mathrm{Al}(\mathrm{OH})_{3}\), reacts with \(\mathrm{NaOH}(\mathrm{aq})\).
................................................................................................................................. [1]
[Total: 15]

Draw a labelled diagram to show the structure and bonding in sodium.

Answer:

Knowledge points:

Solution:

Related Question