Atomic Dimensions:
• Hydrogen atom: 1.06 Å (0.106 nm)
• Carbon atom: 1.54 Å (0.154 nm)
• Oxygen atom: 1.52 Å (0.152 nm)
• Silicon atom: 2.10 Å (0.21 nm)
Molecular Structures:
• C-C bond: 1.54 Å (0.154 nm)
• C=C bond: 1.34 Å (0.134 nm)
• C-H bond: 1.09 Å (0.109 nm)
• Water molecule: 2.8 Å (0.28 nm)
Nanotechnology:
• DNA width: 20 Å (2 nm)
• Protein size: 20-100 Å (2-10 nm)
• Quantum dots: 10-100 Å (1-10 nm)
• Carbon nanotube: 7-300 Å (0.7-30 nm)