What is the mass number of an isotope equal to?Choose 1 answer:Choose 1 answer:(Choice A)   the number of protons plus the number of neutronsAthe number of protons plus the number of neutrons(Choice B)   the number of protons plus the number of electronsBthe number of protons plus the number of electrons(Choice C)   the number of protons minus the number of neutronsCthe number of protons minus the number of neutrons(Choice D)   the number of protons minus the number of electronsDthe number of protons minus the number of electrons

What is/are the difference(s) between isotopes of hydrogen?Group of answer choicesthe number of electrons and protonsthe number of protons and the atomic numberthe number of neutrons and the mass numberthe number of electrons and the atomic number

What is the difference between an atom's mass number and its atomic number?Select all statements that apply.They are the sameThe atomic number is just the number of protonsThe mass number is the number of both protons and neutronsThe mass number is the number of protons minus the number of neutrons

Isotopes of an element have the same number ofA. protons and electrons.B. protons and neutrons.C. neutrons and electrons.D. protons, neutrons and electrons

Isotopes of an element have different mass numbers. Complete the sentence to explain why.  Because they have different numbers of:neutronsprotonselectrons

The Atomic Number of an element is equal to:AThe mass of the atom.BThe number of neutrons.CThe number of protons.DThe number of protons + neutrons.