Chinese chemistry names follow a tidy template: [non-metal] +
化 + [metal]. So
氯化钠 = chlorine + chloridize + sodium = sodium chloride. The general category 'a chloride compound' adds
物 ('substance/thing') →
氯化物. Same pattern:
氧化物 oxide,
硫化物 sulfide,
氢化物 hydride.