Oxygen atom has an atomic mass of 16u and eight neutrons in its nucleus. What is its atomic number?
Harshit Singh , 2 Years ago
Grade 12th pass
2 Answers
Pawan Prajapati
Last Activity: 2 Years ago
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Yash Patari
Last Activity: 2 Years ago
DEAR STUDENT
The atomic number of oxygen is 8. The mass of an atom is given by the sum of the masses of protons and neutrons present in the nucleus. Also, atomic number is the number of protons present in the nucleus. Since, the number of neutrons present in oxygen is 8 and given mass is 16. Therefore, the number of neutrons will be equal to 8 i.e. 16−8
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