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bixtya [17]
3 years ago
7

Please help me need this before 4:30pm

Biology
2 answers:
Romashka [77]3 years ago
4 0

Answer:

the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

Explanation:

Dima020 [189]3 years ago
4 0
The atomic number= protons and neutrons
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