Question

What is atomic weight and atomic number and molecular weight?

Answer 1

Answer:

Atomic mass is the total mass of protons and neutrons in an individual atom or isotope. Atomic weight is the average mass of all of the naturally-occurring isotopes of an element. Both atomic mass and atomic weight are represented using a unit called the atomic mass unit (​amu), which was defined using carbon's most common isotope mean molecular weight (defined as the mass per unit mole of. material, or, alternatively, the mean mass of a particle in Atomic.

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Explanation: