Periodic table, periodic trends.
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Q1 · Classification of Elements and Periodicity · EASY
Down a group in the periodic table, the first ionisation energy generally:
Q2 · Classification of Elements and Periodicity · MEDIUM
Across a period from left to right, atomic radius:
Q3 · Classification of Elements and Periodicity · HARD
Among the following, the element with the highest electron affinity is:
Q4 · Classification of Elements and Periodicity · EASY
Which of the following elements has the largest atomic radius?
Q5 · Classification of Elements and Periodicity · MEDIUM
The correct order of ionic radii for the isoelectronic species O²⁻, F⁻, Na⁺, and Mg²⁺ is: