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
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The correct answer is A. This question tests the candidate's understanding of atomic structure 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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