Atoms, nuclei and radiation — practice question

Two neutral atoms are isotopes of the same element. Select the correct statement about them.

• AThey have a different number of neutrons and a different number of electrons.
• BThey have a different number of neutrons and the same number of protons.
• CThey have the same number of neutrons and a different number of electrons.
• DThey have the same number of neutrons and the same number of protons.