How many neutrons does nitrogen-15 have?
Understand the Problem
The question is asking for the number of neutrons in the nitrogen-15 isotope. To find this, we need to subtract the atomic number of nitrogen from the mass number of the isotope. The atomic number of nitrogen is 7, and the mass number of nitrogen-15 is 15. Thus, the calculation will yield the number of neutrons.
Answer
8 neutrons
The final answer is 8 neutrons.
Answer for screen readers
The final answer is 8 neutrons.
More Information
Nitrogen has seven protons because it has an atomic number of 7. For nitrogen-15, you subtract the seven protons from the mass number 15 to find out that it has eight neutrons.
Tips
A common mistake is to confuse the atomic number with the mass number. Remember, the atomic number gives you the number of protons, while the mass number is the sum of protons and neutrons.
Sources
- The web page with info on - Example Source - vedantu.com
- Nitrogen-15 (15N) | Isotope-Labeled Compounds | MedChemExpress - medchemexpress.com
- The atomic number of nitrogen is 7. How many protons, neutrons ... - socratic.org
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