A-LevelChemistryAtomic structureOct/Nov 2017Paper 1 Q311 Mark
In 2011 an international group of scientists agreed to add two new elements to the Periodic Table. Both elements had been made artificially and are called flerovium, Fl, and livermorium, Lv. [Figure 31.1 - table with proton number and nucleon number for Fl and Lv] From the information about atoms in the table, which statements are correct? 1 One atom of Lv has one more neutron than one atom of Fl. 2 One Fl²⁻ ion has the same number of electrons as one atom of Lv. 3 One Lv⁺ ion has the same number of electrons as one Fl⁻ ion.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct Answer
The correct answer is A: 1, 2 and 3 are correct
📋 Examiner Report & Trap Analysis
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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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