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Atomic Nucleus
Nucleons, Atomic Number and Mass Number - Definition [with Examples]
![Nucleons, Atomic Number and Mass Number - Definition [with Examples]](https://d77da31580fbc8944c00-52b01ccbcfe56047120eec75d9cb2cbd.ssl.cf6.rackcdn.com/82d2d1d1-0096-4a18-bb8f-6e374cc1a55f/31.-composition-of-nucleon-teachoo-01.png)