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dezoksy [38]
3 years ago
5

TILEF

Chemistry
1 answer:
torisob [31]3 years ago
7 0

Answer:

Na

Explanation:

sodium has mass number 23 and atomic number 11 so number of protons =number of electrons =atomic number which is 11 and number of neutrons=mass number-number of protons =23-11=12

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Answer:

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