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MrMuchimi
2 years ago
5

An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following statements is correct? *

Biology
1 answer:
arlik [135]2 years ago
4 0

Answer:

the third one is correct

explanation

because atomic number and proton &electron number is same . neutron number is solved as atomic mass minus atomic number ( N=atomic mass - atomic number)

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