Why are protons and neutrons together called nucleons?
AThey are different elements
BThey have the same charge
CThey have the same spin
DThey both reside in the nucleus
Answer & Solution
Correct answer: D. They both reside in the nucleus
1. The atomic nucleus is built of protons and neutrons.
2. Both particles share the nucleus as their home.
3. Collectively any particle in the nucleus is called a nucleon.
4. So protons and neutrons are nucleons.
_Source: Selina Concise Chemistry ICSE Class 9, Ch 4 'Atomic Structure'_
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