Describe the structure and bonding in metals, using a labelled diagram to support your answer.
The table compares how four metals react with cold water and with steam. Put the four metals into order of increasing reactivity.
The complete symbol for a cerium ion is shown as $^{140}_{58}\text{Ce}^{3+}$. Determine the numbers of electrons and neutrons in this ion.
Zinc reacts with aqueous silver nitrate, $\text{AgNO}_3$, to form aqueous zinc nitrate and silver. Write the ionic equation for this reaction, including state symbols.
The effect of heat on crystals of green nickel(II) chloride, $\text{NiCl}_2\cdot6\text{H}_2\text{O}$, is illustrated. State the term used for salts, such as $\text{NiCl}_2$, that contain no water of crystallisation.
Describe how to turn yellow nickel(II) chloride back into green nickel(II) chloride.