Isotope-Multiple Choice Questions Quiz

Interactive MCQs on “Isotope”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What are isotopes?

(a) Elements with different atomic numbers
(b) Elements with different chemical properties
(c) Atoms of the same element with different numbers of neutrons
(d) Atoms of the same element with different numbers of protons

Question 2: Which subatomic particle is responsible for the differences between isotopes of the same element?

(a) Protons
(b) Electrons
(c) Neutrons
(d) Nucleons

Question 3: What is the effect of having different isotopes of the same element on chemical properties?

(a) It has no effect on chemical properties.
(b) It changes the element's atomic number.
(c) It alters the element's reactivity.
(d) It changes the element's electron configuration.

Question 4: What is the primary difference between a radioactive isotope and a stable isotope?

(a) Radioactive isotopes have more neutrons.
(b) Radioactive isotopes have fewer protons.
(c) Radioactive isotopes undergo spontaneous nuclear decay.
(d) Radioactive isotopes have different electron configurations.

Question 5: What is the notation used to represent isotopes of an element in a standardized format?

(a) Molecular formula
(b) Structural formula
(c) Isotopic notation
(d) Empirical formula

Question 6: What is the mass number of an isotope?

(a) The number of protons
(b) The number of neutrons
(c) The sum of protons and neutrons
(d) The number of electrons

Question 7: What is an example of a common radioactive isotope used in medical imaging?

(a) Carbon-12
(b) Oxygen-16
(c) Uranium-235
(d) Technetium-99m

Question 8: Which isotope of hydrogen has one proton and two neutrons?

(a) Hydrogen-1
(b) Hydrogen-2 (Deuterium)
(c) Hydrogen-3 (Tritium)
(d) Hydrogen-4

Question 9: Which type of isotope is commonly used in radiocarbon dating to estimate the age of ancient materials?

(a) Hydrogen isotopes
(b) Oxygen isotopes
(c) Carbon isotopes
(d) Nitrogen isotopes

Question 10: What is the term for isotopes that have the same number of protons but different numbers of neutrons?

(a) Isobars
(b) Isotones
(c) Isomers
(d) Isotopes