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How many neutrons does element X have if its atomic number is 29 and its mass number is 99?

How many neutrons does element X have if its atomic number is 29 and its mass number is 99?
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How many neutrons does element X have if its atomic number is 29 and its mass number is 99?

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User Bob Baddeley
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1 Answer

2 votes
number of neutrons = mass number - atomic number

= 99-29 = 70
answered
User Amol Sharma
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