Neco 2021 Chemistry Question 1

Practice essay / theory question 1 from the 2021 Neco Chemistry examination. This question covers Atomic Structure .

Neco 2021 Chemistry Essay / Theory
Topic: Atomic Structure
Question 1 NECO • 2021 • CHEMISTRY • essay
Neco 2021 Chemistry Question 1 diagram

The diagram shows a neutral atom of an element with atomic number 11. The nucleus is labelled, and the electron shells are drawn with the number of electrons in each shell indicated by arrows.

Question Parts

( a )
State the number of protons, neutrons and electrons present in the atom shown.
( b )
Write the ground‑state electron configuration of the element using the Aufbau principle.
( c )
Explain why this element is placed in Group 1 of the periodic table and describe one characteristic chemical property that results from this position.

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About This Question

This is Neco 2021 Chemistry Question 1. It is one of the essay questions from the 2021 Neco Chemistry examination.

The question covers Atomic Structure .

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