Home › ICSE Class 9 › chemistry › Atomic Structure › Why are protons and neutrons together called nuc…
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'_
Related questions
Atomic radius is conveniently measured in which unit?Which element has three shells with 8 electrons in its outermost shell?Which sub-particle was discovered LAST?If an element has the configuration 2, 8, 8, 1, its valency and likely group are:Why does the atomic mass of chlorine (35.5) lie between two integers?An atom of oxygen has Z = 8 and A = 16. Number of neutrons is:Isotopes of hydrogen include:Chlorine (Z = 17) becomes Cl- by gaining how many electrons?