Question

which of the following are always positive? proton electron neutron atom an isotope is the same type of atom with different number of electrons the same type of atom with different number of neutrons the same type of atom with a charge the same type of atom with different number of protons

Explanation:

Protons have a positive charge, electrons have a negative charge, neutrons are neutral, and atoms can be neutral or charged. Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons.

Answer:

1. proton
2. the same type of atom with different number of neutrons