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Chapter 4: Q. 2.39 (page 115)

Two isotopes of gallium occur naturally, G3169a and G3171a. Which isotope of gallium is more abundant?

Short Answer

Expert verified

The isotope of gallium which is more abundant is Ga3169

Step by step solution

01

Given information 

We need to find that out of G3169aand G3171a which is more abundant.

02

Explanation 

The atomic mass of an element on the periodic table is used to find the most abundant isotope. Gallium has an atomic weight of 69.723amu, as can be shown. Although no gallium atom has that mass, it is the average mass of a gallium sample.

When comparing the atomic masses of G3169aand G3171a, we can see that the atomic mass number on the periodic table is closer to that of G3169a.

We can deduce that G3169ais more plentiful.

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