(a)[1]
State the nucleon number for $^{79}_{35}\text{Br}$.
(b)[1]
State the number of electrons in $^{79}_{35}\text{Br}^-$.
(c)[1]
$^{40}_{20}\text{Ca}$ is the full symbol for one isotope of calcium. Write the full symbol for a different isotope of calcium.
(d)[1]
Describe how a calcium ion, Ca$^{2+}$, is formed from a calcium atom, Ca.
(e(i))[2]
Explain why calcium bromide conducts electricity when molten but not when solid.
(e(ii))[2]
Predict two other physical properties of calcium bromide.