"same Z (number of protons) = isotopes"
"same A (number of nucleons) = isobars"
"same N (number of neutrons) = isotones"
"same Z (number of protons) = isotopes"
"same Z (number of protons) = isotopes"
"same A (number of nucleons) = isobars"
"same A (number of nucleons) = isobars"
"same N (number of neutrons) = isotones"
"same N (number of neutrons) = isotones"
"Examples of isotones include carbon-12, nitrogen-13 and oxygen-14. These atoms all have six neutrons and six, seven and eight protons respectively."