kalliah15 kalliah15

07-12-2020
Chemistry

contestada

What is the mass number of an element that has 8 protons, 9 neutrons and
7 electrons?

Respuesta :

safehouse77777 safehouse77777

07-12-2020

Answer:

17

Explanation:

mass number = # of protons + # of neutrons

Answer Link

ashley988 ashley988

07-12-2020

so the answer to your question will be 16

Answer Link

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