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inysia [295]
3 years ago
9

Help please I need it correct

Biology
1 answer:
enyata [817]3 years ago
6 0
The answer is D. Identity of an element is determined by the number of protons, also called the Atomic Number. On the periodic table the atomic number is found above the element name. If you take away or add a proton, the element is not the same element anymore
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