<p><strong>Fig. 2.9.</strong> Compounds are made of two or more atoms of different elements, such as water (H<sub>2</sub>O) and methane (CH<sub>4</sub>). Atoms are not drawn to scale.</p>

Fig. 2.9. Compounds are made of two or more atoms of different elements, such as water (H2O) and methane (CH4). Atoms are not drawn to scale.

Image by Bryon Inuoye