Gce Model Questions Vol1 2017 Chemistry Question 1

Practice essay / theory question 1 from the 2017 Gce Model Questions Vol1 Chemistry examination. This question covers Atomic Structure .

Gce Model Questions Vol1 2017 Chemistry Essay / Theory

Topic: Atomic Structure

Question 1 GCE_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • essay

Gce Model Questions Vol1 2017 Chemistry Question 1 diagram

The diagram shows a neutral sodium (Na) atom. The nucleus contains protons and neutrons, and the electrons are arranged in three shells. The first shell holds 2 electrons, the second shell holds 8 electrons and the third shell holds 1 electron. The atomic number of sodium is 11 and the most abundant isotope has a mass number of 23.

Question Parts

( a )

Write the ground‑state electronic configuration of the sodium atom shown in the diagram.

( b )

Using the diagram, determine the number of neutrons present in the most abundant isotope of sodium.

( c )

Explain the type of chemical bond that sodium is most likely to form with chlorine and give the formula of the resulting compound.

( d )

State the mass number of the most abundant isotope of sodium and justify your answer using the information in the diagram.

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About This Question

This is Gce Model Questions Vol1 2017 Chemistry Question 1. It is one of the essay questions from the 2017 Gce Model Questions Vol1 Chemistry examination.

The question covers Atomic Structure .

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