Which missing item would complete this beta decay reaction?

The latest school question and answer enquired students to assert what they believe is the most important point for a student to do if they wanted to score success. One which response stood out from the rest was practice. Successful people absolutely not born successful; they become successful by hard work and persistence. If you wish to reach your goals, keep this in mind! beneath some question and answer examples that you would certainly make use of to enhance your knowledge and gain insight that will help you to keep up your school studies.

Question:

Which missing item would complete this beta decay reaction?

Answer:

The question is incomplete. Complete question is attached below:
…………………………………………………………………………………………………..

Correct Answer is : 54 131Xe

Reason
Emission of beta particle from radioactive material increases atomic number by one, but atomic mass number donot change.

In present case, the reactant is 53 131 I. When, iodine emits beta particle i.e. electron, it atomic number increases by one. Hence, it gets converted into Xe. Atomic number of Xenon is 54. 

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