Answer :
Final answer:
In Rutherford's model, 26 represents a) the number of protons in the nucleus.
Explanation:
In Rutherford's nuclear model of the atom, 26 represents:
- a) The number of protons in the nucleus.
This means that in the atom, there are 26 protons present. Neutrons, electrons, and atomic mass are not specifically determined by the number 26 in this context.