What determines the mass number of an element?
Select one:
a. the number of protons
b. the total number of neutrons and protons
c. the number of protons minus the number of electrons
d. the total number of protons, electrons, and neutrons

Question

What determines the mass number of an element? 
Select one:
a. the number of protons
b. the total number of neutrons and protons
c. the number of protons minus the number of electrons
d. the total number of protons, electrons, and neutrons

anonymous · Answer

@preetha

rina.r · Answer

Its A, the number of protons.
Number of protons The number of protons in the nucleus of an atom of this element will determine its atomic number.

rina.r · Answer

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