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What is the atomic number of an atom that has two electrons three protons and four neutrons

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For real elements, electrons are the same number as your proton. The # of neutrons and protons together is the mass of your element (for future reference)
User Mehdi Farhadi
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2 votes

Answer: 3

Explanation: your protons are your atomic number and the atomic mass is the proton and neutrons totaled

User Cppguy
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