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Identify the particle represented by each symbol as an

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 55P Chapter 17

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 55P

Problem 55P

Identify the particle represented by each symbol as an alpha particle, a beta particle, a gamma ray, a positron, a neutron, or a proton.

(a) 

(b) 

(c) 

Step-by-Step Solution:

Solution 55P :

Step 1:

(a)  :

   The particle represented is a Beta () particle.

Beta () radiation occurs when an unstable nucleus emits an electron . When an unstable nuclei converts the neutron to proton, the electron is emitted and as a result Beta () radiation occurs. The symbol for a beta () particle in a nuclear equation is :

                

(b) :

The particle represented is a neutron.

        Neutron is a subatomic particle that is inside nucleus of the atom along with the proton. Neutrons don’t have charge and has slightly larger mass than the proton.

Neutron is represented as :

        

(c) :

The particle represented here is a Gamma() particle.

Gamma() radiation is a electromagnetic radiation and they are high energy (short-wavelength) photons. The symbol for a gamma ray is:

        

A gamma ray has no charge and no mass. When a gamma ray is emitted from a radioactive atom, the mass number or the atomic number of the element is not changed.  

Step 2 of 1

Chapter 17, Problem 55P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Identify the particle represented by each symbol as an