Regents Chemistry Exam June 2024 Question 4
4 Which phrase describes the different isotopes of an element?
(1) same number of electrons and a different number of protons
(2) same number of protons and a different number of electrons
(3) same number of protons and a different number of neutrons
(4) same number of neutrons and a different number of protons
Solution:
Isotopes are atoms of the same element (same number of protons) that have a different mass number (different number of neutrons). Choice 3 is the correct answer.
LINKS:
Comments