Question

what is atomic mass, atomic number, Isotopes and Isobars​

Answer 1

Explanation:

• The atomic mass is the mass of an atom. Although the SI unit of mass is kilogram, the atomic mass is often expressed in the non-SI unit dalton where 1 dalton is defined as ¹⁄₁₂ of the mass of a single carbon-12 atom, at rest.
• It is the number of proton found in the nucleus of an atom of that element.
• The element having same atomic number but different mass number.
• The element having different atomic numbers but the same mass number.