Look at this Quizlet study guide it'll help.
https://quizlet.com/98515495/buoyancy-in-fishes-flash-cards/
Please rephrase the question, it doesn't make sense.
~Hello there!
Your question: What name is given to elements with the same number protons but differing numbers of neutrons?
Your answer: Istopes is the name given to the elements with the same number of protons but differing number and neutrons.
Any queries ^?
Happy Studying!
Active site is the answer, i hope this helps:)