-| Quark | < 1 attometer | < 3.9 x 10^-20 inches |
-| Proton | 1.7 femtometers | 6.7 x 10^-17 inches |
-| Electron | 2.8 femtometers | 1.1 x 10^-16 inches |
-| Hydrogen Atom | 106 picometers | 4.2 x 10^-9 inches |
-| Water Molecule | 0.27 nanometers | 1.1 x 10^-8 inches |
+| [Quark](/wiki/quark) | < 1 attometer | < 3.9 x 10^-20 inches |
+| [Proton](/wiki/proton) | 1.7 femtometers | 6.7 x 10^-17 inches |
+| [Electron](/wiki/electron) | 2.8 femtometers | 1.1 x 10^-16 inches |
+| [Hydrogen Atom](/wiki/hydrogen_atom) | 106 picometers | 4.2 x 10^-9 inches |
+| [Water Molecule](/wiki/water_molecule) | 0.27 nanometers | 1.1 x 10^-8 inches |
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