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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

(a) Which of the following nuclei decay by β 1 0 decay?

1H 23Mg 32P 20Ne

(b) Which of the following nuclei decay by β + 1 0 decay?

235U 35Cl 38K 24Na

(a)

Interpretation Introduction

Interpretation:

Out of the given nuclei that undergoes -10β has to be identified.

Concept-Introduction:

Beta decay series is two types such as beta minus decay and beta plus decay.

The neutron is converted to a proton in this process it create an electron is called beta minus decay radiation. Beta decay generally occurs in neutron-rich nuclei.

XZAXZ+1A'+e

Explanation

The radioactive isotopes are hydrogen-1, Magnesium-23, Phosphorous-32 and Neon-20.

Isotope of hydrogen-1:

 H11:Proton=1Neutron=1

Isotope of Magnesium-23:

M1223g:Proton=12Neutron=2312=11

Isotope of Phosphorous-32:

P1532:Proton

(b)

Interpretation Introduction

Interpretation:

Out of the given nuclei that undergoes +10β has to be identified.

Concept-Introduction:

Beta decay series is two types such as beta minus decay and beta plus decay.

The neutron is converted to a proton in this process it create an electron is called beta minus decay radiation.

Then beta plus decay radiation, in this process proton converted to neutron it creates a positron. So these are called positron emission. Positron emission takes place when the ratio of neutron to proton is low. Or generally occurs in proton-rich nuclei.

XZAXZ1A'+e+

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