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How many neutrons are there in the neutral atom of 20 10Ne? 1. 22 2. 20 3. 12 4. 9 5. 10

User Kurubaran
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Answer:

3.) 12

Step-by-step explanation:

an atomic number is 11 which means this atom will have 11 protons. the atomic mass is 23 which also means 23-11 is 12 neurons.

User Oliver Shaw
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