In 1999, researchers working in the USA believed that they had made a new element and that it had the following electronic configuration. [Rn] 5f146d107s27p6 In which Group of the Periodic Table would you expect to find this element?
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The correct answer is D. This question tests the candidate's understanding of chemical periodicity within the Chemistrysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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