Blog Post 1: Describe 10 nm and mole of atoms

• ·         Length your fingernail grows in approx. 10 seconds
• ·         Nanometer = nm
• ·         A strand of human DNA  is 2.5 nanometers in diameter
• ·         A sheet of paper is about 100,000 nanometers thick
• ·         There are 25,400,000 nanometers in one inch
• ·         A human hair is approximately 80,000 nanometers wide
• ·         A single gold atom is about a third of a nanometer in diameter
• ·         On a comparative scale, if the diameter of a marble was one nanometer, then diameter of the Earth would be about one meter”
• ·         One nanometer is about as long as your fingernail grows in one second
• ·         Nanometer is the amount an average man’s beard grows in the time it takes  him to raise the razor to his face

• ·         1 mole = 6.0221415e+23
• ·         1 mole is defined as the SI unit of amount of substance, equal to the quantity containing as many elementary units as there are atoms in 0.012 kg of carbon-12
• ·         The basic unit of a chemical element