Neco 2021 Chemistry Question 2

Practice essay / theory question 2 from the 2021 Neco Chemistry examination. This question covers Periodic Table .

Neco 2021 Chemistry Essay / Theory
Topic: Periodic Table
Question 2 NECO • 2021 • CHEMISTRY • essay
Neco 2021 Chemistry Question 2 diagram

The diagram is a portion of the periodic table highlighting the transition metal block. The element highlighted is situated in period 4, group 8, and its atomic number is shown as 26.

Question Parts

( a )
State the chemical symbol, atomic number and standard atomic mass of the highlighted element.
( b )
List two common oxidation states exhibited by this element and give one example compound for each oxidation state.
( c )
Using periodic trends, explain why this element is classified as a transition metal and discuss one physical property that results from its d‑electron configuration.

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About This Question

This is Neco 2021 Chemistry Question 2. It is one of the essay questions from the 2021 Neco Chemistry examination.

The question covers Periodic Table .

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