Ijmb Model Questions Vol1 2018 Chemistry Question 1

Practice essay / theory question 1 from the 2018 Ijmb Model Questions Vol1 Chemistry examination. This question covers Atomic Structure .

Ijmb Model Questions Vol1 2018 Chemistry Essay / Theory

Topic: Atomic Structure

Question 1 IJMB_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • essay

Ijmb Model Questions Vol1 2018 Chemistry Question 1 diagram

The diagram shows a neutral atom of an element X together with one of its naturally occurring isotopes. The atom has 15 protons, 15 electrons and a total of 31 nucleons. The isotope displayed has a mass number of 33 and constitutes 20 % of the natural abundance of element X.

Question Parts

( a )

State the atomic number, mass number and the number of neutrons of the atom shown in the diagram.

( b )

Calculate the average atomic mass of element X using the isotopic data given.

( c )

Briefly discuss how the neutron‑to‑proton ratio influences the nuclear stability of the two isotopes.

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About This Question

This is Ijmb Model Questions Vol1 2018 Chemistry Question 1. It is one of the essay questions from the 2018 Ijmb Model Questions Vol1 Chemistry examination.

The question covers Atomic Structure .

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