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Chapter 5: Q.5.79 (page 165)

Write the balanced nuclear equation for each of the following radioactive emissions:

a. an alpha particle from Hg-180

b. a beta particle from Au-198

c. a positron from Rb- 82

Short Answer

Expert verified

Part (a)80180Hg鈫�78176Pt+24He

Part (b)79198Au鈫�80198Hg+鈭�10尾

Part (c)3782Rb鈫�3682Kr++10e

Step by step solution

01

Part (a) Step 1: Given Information

Alpha decay is a typical method of radioactive decay where a core discharges an alpha molecule.

An alpha particle from Hg-180.

02

Part (a) Step 2: Explanation 

The balanced nuclear equation is,

80180Hg鈫�78176Pt+24He

03

Part (b) Step 1: Given Information

Beta-decay is a typical method of radioactive decay where a core discharges a beta molecule.

A beta particle from Au-198.

04

Part (b) Step 2: Explanation 

The balanced nuclear equation is,

79198Au鈫�80198Hg+鈭�10尾

05

Part (c) Step 1: Given Information

Positron emanation, beta plus decay is a subtype of radioactive decay considered beta decay, in which a proton inside a radionuclide core is changed over into a neutron while delivering a positron and an electron neutrino.

A positron from Rb-82

06

Part (c) Step 2: Explanation 

The balanced nuclear equation is,

3782Rb鈫�3682Kr++10e

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Match the type of radiation (1to 3)with each of the following statements:

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