A. Neutrons
B. Protons
C. Electrons
D. Beta rays
Updated by: Qurrat
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5 Comments
ISOTOPES having the same no of protons and electrons and differ in neutron no.
correct the answer.
Isotopes of an element have different number of neutrons
wrong answer
Each isotope is named on the basis of its mass number, which is the total combined number of neutrons and protons in an atom.
Neutrons varies in Isotopes .
Right answer B
Isotope of element having same number of proton and different number of neutron