Question : The members of a family of an element that all have the same number of protons but different numbers of neutrons are called:
Option 1: isotopes
Option 2: isotones
Option 3: isobars
Option 4: Isophors
Correct Answer: isotopes
Solution : The correct option is isotopes .
The members of a family of elements that all have the same number of protons but different numbers of neutrons are called isotopes. Radioactive isotopes are used in medicine for imaging and cancer treatment, in industry for radiography and in carbon dating to determine the age of archaeological and geological samples.