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Siven an element's atomic number and mass number, how can you tell the number of protons and neutrons in its nucleus?
Jumber of protons = atomic number; number of neutrons = mass number - atomic number
Number of protons = atomic number; number of neutrons = mass number + atomic number
Number of protons = mass number; number of neutrons = atomic number - mass number

Respuesta :

mhowcome
It would be the first option.

Explanation-
The number of protons is equal to the atomic number the number of neutrons is the mass minus the atomic number.
znk

Answer:

Number of protons = atomic number; number of neutrons = mass number - atomic number  

Explanation:

  Z = atomic number = number of protons

    A = mass number = number of protons + number of neutrons

          Mass number = atomic number + number of neutrons

Number of neutrons = mass number - atomic number

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