(a)[1]
Identify the Group II element that has only five occupied electron shells.
(b)[4]
Name and describe the type of bonding present in Group II elements.
(c(i))[3]
Give three observations for this reaction.
(c(ii))[2]
Name the two products formed in this reaction.
(d(i))[1]
State the flame colour.
(d(ii))[2]
Write the symbol equation that represents this reaction.
(e(i))[1]
State the term used for the water molecules present in hydrated crystals.
(e(ii))[3]
Determine x in $\mathrm{Ca(NO_3)_2}\cdot x\mathrm{H_2O}$ by following these steps. Work out the number of moles of $\mathrm{Ca(NO_3)_2}$ remaining. Work out the number of moles of $\mathrm{H_2O}$ released. Find the value of x.