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Oxygen atom has an atomic mass of 16u and eight neutrons in its nucleus. What is its atomic number?

Oxygen atom has an atomic mass of 16u and eight neutrons in its nucleus. What is its atomic number?

Grade:12th pass

2 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
4 months ago
Our expert is working on this class X maths answer. We will update the answer very soon.
Yash Patari
askIITians Faculty 2123 Points
4 months 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. 168

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