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Chapter 24: 24.116 CP (page 1106)

Which isotope in each pair is more stable? Why?

(a) Cs55140or Cs55133 (b)Br3579or Br3578

(c) Mg1228or Mg1224 (d) N714orN718

Short Answer

Expert verified

a) Cs55133is more stable isotope

b) Br3579is more stable isotope

c) Mg1224is more stable isotope

d) N714is more stable isotope

Step by step solution

01

Definition of Isotope

Isotopes are chemical elements that have the same number of protons and electrons but differ in the number of neutrons they have.

02

Determining more stable isotope

a)Cs55133

In comparison toCs55133 , the N/Z ratio ofdata-custom-editor="chemistry" Cs55140 is higher.

03

Determining more stable isotope

b)Br3579

In comparison to Br3579, this isotope has an even number of neutrons.

04

Determining more stable isotope

c)Mg1224

Its N/Z ratio is equal to one.

05

Determining more stable isotope

d)N714

Its N/Z ratio is equal to one.

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