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An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
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23 votes
An element with a mass number of 11 and an atomic number of 5 has how many
neutrons?

User Clocksmith
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1 Answer

8 votes

Answer:

6 neutrons

Step-by-step explanation:

6 neutrons

Boron having an atomic number of 5 means that it will have 5 protons. 11 atomic mass units in total. Neutrons also have a atomic mass unit of 1. So there are 6 neutrons

User Corcus
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