Neco Model Questions Vol1 2025 Chemistry Question 18
Practice objective / multiple choice question 18 from the 2025 Neco Model Questions Vol1 Chemistry examination.
The diagram shows a 3 × 3 section of the periodic table with the elements arranged as follows: top row Na, Mg, Al; middle row K, Ca, Sc; bottom row Rb, Sr, Y. Based on the periodic trends illustrated, which element in the diagram has the highest first ionisation energy? State the element symbol.
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About This Question
This is Neco Model Questions Vol1 2025 Chemistry Question 18. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
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