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How many neutrons are present in an atom of tin that has an atomic number of 50 and a mass number of 119?
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How many neutrons are present in an atom of tin that has an atomic number of 50 and a mass number of 119?

User Daynil
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2 Answers

7 votes

Answer:

protrons:50

electrons:50

nuetrons: 69

User Larspars
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7.4k points
6 votes
119-50= 69. the number of the neutrons is 69
User Pete Wilson
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