The mass of carbon -12 atom is known as standard Atomic Mass
The atomic mass is the mass of a molecule, atomic particle or sub-atomic particle.
Sodium's atomic mass is 22.99 atomic mass units (amu).
== The equation of atomic mass is protons+nuetrons== atomic mass. ===
Cobalt is an atomic mass of 58.93 atomic mass units
The atomic mass unit is not a SI unit. An atomic mass unit is equal to 1/12 from the atomic mass of the isotope 12C.
An atom of carbon-12 has a mass of exactly 12 atomic mass units. This is now the standard.
The standard atomic weight of darmstadtium is considered 281.
Carbon-12 (12C) is used as the standard in the relative scale for atomic masses, and its assigned atomic mass is 12 atomic mass units.
The atomic mass unit uses carbon-12 as a standard. The atomic mass unit is one twelfth of the mass of one atom of the isotope carbon-12.
After IUPAC (2009) the standard atomic weight of mendelevium is [258].
Standard atomic mass of potasium is 39.0983(1) g·mol−1
A Carbon Twelth
because they are the sameAdded:Atomic mass is the quantitive propertie of the mass of an atom,the atomic mass unit is the (standard) UNIT by which it is measured:1 a.m.u. = 1.66*10-27 kg
Atomic mass is typically expressed relative to a standard reference, which is commonly carbon-12. The atomic mass of an element is determined by the average mass of its isotopes, weighted by their natural abundance, and is usually compared to the atomic mass of carbon, which is defined as exactly 12 atomic mass units (amu). Thus, when we say an element has an atomic mass of, for example, 24 amu, it means it is twice as heavy as carbon-12. This comparison helps in understanding the relative mass of different elements in relation to a stable and widely recognized standard.
Hydrogen was used by Dalton as his standard for atomic mass.
The standard atomic notation for potassium is K-39. This indicates that the element has a mass number of 39.
It depends on the element.