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What is the mass number of an atom which contains 28 protons, 28 electrons and 34 neutrons?
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3 votes
What is the mass number of an atom which contains 28 protons, 28 electrons and 34 neutrons?

User Peacepassion
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1 Answer

3 votes

Answer:

62

Step-by-step explanation:

Mass number = number protons + number neutrons = 28 +34 = 62

User Ptts
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