Fill in the table below by adding their names and properties.
Define relative isotopic mass.
The relative atomic mass of magnesium is $24.3$. Calculate the percentage abundance and, from this, the relative isotopic mass of the third magnesium isotope. Give your answer to three significant figures.
Give the anode and cathode equations for the electrolysis of molten magnesium chloride, $\text{MgCl}_2$.
In an investigation of the reaction between magnesium oxide and hydrogen chloride gas, an intermediate compound was found with the mass composition Mg, $31.65\%$; O, $20.84\%$; H, $1.31\%$ and Cl, $46.20\%$. Calculate the empirical formula of this intermediate compound.
Describe the pattern and explain it using the structure and bonding of sodium oxide, $\text{Na}_2\text{O}$, aluminium oxide, $\text{Al}_2\text{O}_3$, and sulfur trioxide, $\text{SO}_3$.
Write equations for the reactions of these three oxides with hydrochloric acid and/or sodium hydroxide where suitable.