O B. 11
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Chemistry, 22.12.2020 05:30 hannahkelly3618
An atom has a mass number of 9 and 5 neutrons. What is its atomic number?
OA. 14
O B. 11
OC. 4
OD. 19
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Answers: 2
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An atom has a mass number of 9 and 5 neutrons. What is its atomic number?
OA. 14
O B. 11
O B. 11
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