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bromonox bromonox
wrote...
Posts: 1042
8 years ago
An atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus?
A) 13
B) 6
C) 19
D) 7
Textbook 
Earth Science

Earth Science


Edition: 14th
Authors:
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PulsaPulsa
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8 years ago
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bromonox Author
wrote...
8 years ago
This answers my question, marking this solved.
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