Chapter U1, Problem 5RE

Interpretation Introduction

Interpretation:

An isotope must be explained. How most common isotope of an element can be figured out must also be explained.

Concept introduction:

Isotopes are atoms elements with same number of protons and electrons but different number of neutrons in their nucleus.

Answer to Problem 5RE

Isotopes are nuclides having same number of protons (same atomic number) but difference in mass number thus, they have different number of neutrons.

Most common isotope of an element is most stable one with maximum abundance.

Explanation of Solution

Elements have different isotopes as there is difference in number of neutrons.

For example hydrogen has three isotopes ₁H¹, ₁D² and ₁T³.

Out of these three ₁H¹ has maximum abundance in nature. It means this isotope is most stable isotope.

Thus by checking the maximum abundance it can be figured out which one is the most common isotope of an element.

Conclusion

Most common isotope will be most abundant in nature.