All atoms of the element vanadium must have the same

Chemistry Regent Exam August 2022

13. All atoms of the element vanadium must have the same (1) atomic number (2) mass number (3) number of neutrons plus electrons

(4) number of protons plus neutrons

Explanation: All atoms of the same element (in this case vanadium) must have the same number of protons, which is also equal to the atomic number.

Answer: 1