In the periodic table notation below what information does the number 40.08 tell you

Physics

1 answer:

tia_tia [17]3 years ago

5 0

Answer:

The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom. Every element has a unique atomic number.

Explanation:

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