Baby names meanings search results: The name Aisling is a baby girl name. The name Aisling comes from the Irish origin. In Irish The meaning of the name Aisling is: Vision.
1 atomic mass unit is eqal to the mass of one-twelth of mass of one atom of carbon atom. one atomic mass unit is exactly equal to one-twelfth the mass of carbon isotope-12. it is taken with reference to atomic mass of one twelfth of carbon isotope 12. One amu (or dalton) is exactly one twelfth of the mass of an atom of the most common form of carbon. 1 amu = 1.0078...
The atomic mass is the number of portions and neutrons in an atom. Although all atoms of the same element have the same number of protons, they sometimes have more neutrons. Such atoms are called isotopes. For example, hydrogen has three isotopes. Most of the time a hydrogen atom has one proton and one neutron.