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Deffense [45]
3 years ago
8

Plzz help me

Biology
1 answer:
7nadin3 [17]3 years ago
6 0
The one or two letter symbol is the element’s symbol and usually included the name underneath. the atomic number it on the top left and is the number of protons. the numbers at the bottom is the atomic mass. This tells us how the element is set up and it’s grouping with other elements similar to it.
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