Question

The atomic number of rubidium is 37. if the mass number of rubidium is 85 how many subatomic particles are found inside and outside of the nucleus of the rubidium atom?

Number of particles inside Nucleus Number of particles outside Nucleus

Answer 1

85 inside,37 outside

Step-by-step explanation:

85 inside =37 protons and 48 neutrons

37 outside=37 electrons

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