Question

How are elements different from compounds?

Answer 1

	Element	Compound
Definition	Elements are pure substances which are composed of only the same type of atom.	Compounds are substances that are formed by two or more different types of elements that are united chemically in fixed proportions.
Total Numbers	There are nearly 118 elements of which nearly 94 occur naturally on Earth.	Compounds are almost endless.
Types	Elements are classified as either metals, nonmetals or metalloids.	Compounds are classified according to their bonds which can be ionic, molecular or metallic.
Examples	Some of the examples of elements are $\mathrm{Iron}\left(\mathrm{Fe}\right),\mathrm{Copper}\left(\mathrm{Cu}\right),\mathrm{Gold}\left(\mathrm{Au}\right),\mathrm{etc}.$	A few examples of compounds are $\mathrm{NaOH},\mathrm{NaCl}$, etc.