WHAT ARE ATOMIC WEIGHT AND ATOMIC NUMBER
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Atomic mass is also known as atomic weight. Atomic mass is the weighted average mass of an atom of an element based on the relative natural abundance of that element's isotopes.
The mass number is a count of the total number of protons and neutrons in an atom's nucleus.
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♥ Atomic weight :- The average weight of an atom of an element , formerly based on the weight of one hydrogen atom .
♥ Atomic number :- The number of positive charges or protons in the nucleus of an atom of a given element .
♥ Atomic number :- The number of positive charges or protons in the nucleus of an atom of a given element .
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