where are protons located ? A. Inside the nucleus of a cell B. In the cell membrane C. Inside the nucleus of an atom D. Outide the nucleus of an atom​

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons