Why Is 12C Used As A Standard?
Why Is 12C Used As A Standard? Carbon-12 is of particular importance in its use as the standard from which atomic masses of all nuclides are measured, thus, its atomic mass is exactly 12 daltons by definition. Carbon-12 is composed of 6 protons, 6 neutrons, and 6 electrons. Why is carbon-12 the standard for moles?