What is the term for elements with the same number of protons but different numbers of neutrons?
A
Allotropes
B
Isomers
C
Isobars
D
Isotopes
Correct Answer: Option D — Isotopes
Explanation:
Isotopes are variants of an element that share the same atomic number but differ in mass number due to varying neutron counts. Carbon-12 and Carbon-14 are common examples of isotopes used in dating and research.