Sandwich compounds are being studied in a branch of chemistry.

In this chemistry experiment, we will learn about the dangers of cyanide compounds.

This compound separates into cations and anions.

I went shopping at Ion Mall.

This compound was made by the chemical combination of two different elements.

These two elements chemically combine to create a new substance.

I was reading a book in the shade of a tree on a park bench.

She was always supported behind him, hidden from view.

Let's rest in the shade of this tree.

This painting expresses the philosophy of Yin and Yang.