<html>
<head>
<title></title>
</head>
<body>
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>
</body>
</html>