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What is the total number of protons, neutrons, and electrons in an atom of arsenic, As, that has a mass number of 75?

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Answer:

there are 33 protons and electrons and there are 42 neutrons.

Step-by-step explanation:

the atomic number is equal to the amount of protons and electrons. subtract the amount of Protons from the mass to get the neutrons.

User Sharif Mamun
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