Ca- হ্যালাইডের গলনাঙ্কের ক্রম -

$\mathrm{CaF}_{2}>\mathrm{CaCl}_{2}>\mathrm{CaBr}_{2}>\mathrm{Cal}_{2}$

$\mathrm{Cal}_{2}>\mathrm{CaBr}_{2}>\mathrm{CaCl}_{2}>\mathrm{CaF}_{2}$

$\mathrm{Cal}_{2}>\mathrm{CaCl}_{2}>\mathrm{CaBr}_{2}>\mathrm{CaF}_{2}$

$\mathrm{CaCl}_{2}>\mathrm{Cal}_{2}>\mathrm{CaBr}_{2}>\mathrm{CaF}_{2}$