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The formula of water in chemistry is H<sub>2</sub>O.<br>
The formula of silver dichromate is Ag<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>.<br>
The formula of sodium hexachloroaluminate is ALCL<sub>6</sub>Na<sub>3</sub>.<br>
The formula of aluminium fluoride is Al<sub>2</sub>F<sub>6</sub>.<br>
The formula of chiolite is Al<sub>3</sub>F<sub>14</sub>
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