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Chapter 42: Q 27 Exercise (page 1236)

a. What are the isotopic symbols of all A = 19 isobars?
b. Which of these are stable nuclei?
c. For those that are not stable, identify both the decay mode and the daughter nucleus.

Short Answer

Expert verified

Hence, the isotopic symbols are:

${}^{19}F, {}^{19}O and {}^{19}{Ne}$

Step by step solution

01

Given information

A = 19 isobars

02

Explanation (a)

a.) The A= 19 isobars are: ¹⁹F, ¹⁹O and ¹⁹Ne.

03

Explanation (b)

b.) The ¹⁹F is stable isotope.

04

Explanation (c)

c.) Daughter nucleus of ¹⁹Ne and ¹⁹O is ¹⁹F

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Most popular questions from this chapter

Does each nuclear energy-level diagram in FIGURE Q42.4 represent a nuclear ground state, an excited nuclear state, or an impossible nucleus? Explain.

Use the potential-energy diagram in Figure $42.8$ to estimate the strength of the strong force between two nucleons separated by $1.5 f m$ .

Identify the unknown isotope X in the following decays.

$a. {}^{230}{Th} \to X + α b. {}^{35}S \to X + e^{-} + \bar{ν} c. X \to {}^{40}K + e^{+} + ν d. {}^{24}{Na} \to {}^{24}{Mg} + e^{-} + \bar{ν} \to X + γ$

The barium isotope ¹³¹Ba has a half-life of 12 days. A 250 $μ$ mg

sample of ¹³¹Ba is prepared. What is the mass of ¹³¹Ba after

(a) 1 day, (b) 10 days, and (c) 100 days?

What is the age in years of a bone in which the $\frac{{}^{14}C}{{}^{12}C}$ ratio is measured to be $1.65 \times 10^{- 13}$ ?

See all solutions

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