What is the mass number of an atom that has 12 neutrons and 11 protons? 24 23 12

asked Sep 20, 2020 68.6k views

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What is the mass number of an atom that has 12 neutrons and 11 protons?
24
23
12

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1 vote

Answer:

Step-by-step explanation:

Peter Tsung answered Sep 21, 2020

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1 vote

Answer:

Step-by-step explanation:

To find mass/atomic number of an atom, you add the proton and neutrons together.

Paul Samsotha answered Sep 27, 2020

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