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What is the mass number of an isotope with an atomic number of 57 and that has 69 neutrons?

What is the mass number of an isotope with an atomic number of 57 and that has 69 neutrons?
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What is the mass number of an isotope with an atomic number of 57 and that has 69 neutrons?

asked
User ViKiG
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1 Answer

6 votes

Answer:

mass number=126

Step-by-step explanation:

57+69=126

answered
User MarkoHiel
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