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Answer :

Dudomemeggo

Answer:

Explanation:The atomic symbol is used to identify the element to which an atom belongs and the number of electrons, protons and neutrons it contains.

When solving the atomic number the atomic symbol is been used

Amndebater16go

Answer:

On the periodic table? But if you are talking about atomic NUMBER-then thats the number of protons on the upper left side of the symbol , but if you are talking about the mass then on the bottom left.

Since you are in highschool it shall always be provided hence no need to memorize it, just know the first 20

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