65.4
65.4
65.4
65.4
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Zink is a meta element. Atomic mass of it is 65. Atomic number of it is 30.
Nitrogen, element 7, has an atomic mass of 14.0067, rounded to 14.007.
Boron - B - Group IIIThe atomic number is 5.The mass number is 11.
The atomic mass of an element is the weighted average of masses of the isotopes of the element, weighted in proportion to their abundance.
The atomic mass is the mass of a molecule, atomic particle or sub-atomic particle.