8. The Periodic Table
A section of Chemistry, 0620
Listing 10 of 592 questions
Table1.1 gives the electronic configurations of some atoms and ions, A to G. Table 1.1 electronic configuration A 2,5 B 2,8 C 2,8,2 D 2,8,4 E 2,8,5 F 2,8,6 G 2,8,18,7 Answer the following questions about A to G. Each letter may be used once, more than once or not at all. State which of the atoms or ions, A to G, could be: a noble gas atom an atom of an element in GroupVI an atom with an atomic number of 14 atoms from the same group and a halogen atom an atom of an element which is a good conductor of electricity a stable ion of a GroupV element an atom that forms an ion with a 2– charge. 
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THEORY
2023
Paper 4, Variant 2
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shows part of the Periodic Table. I II III IV V VI VII VIII Li Al N K Rb Ca Zn Au Ag Fe Cr H I Ne He Answer the following questions using only the elements in . Each symbol of the element may be used once, more than once or not at all. Give the symbol of the element that: is in brass produces an orange-red colour in a flame test is a reactant in a fuel cell has an atom with only three occupied electron shells forms an ion that gives a red-brown precipitate on addition of aqueous ammonia forms an ion with a charge of 1–. Explain why Li, K and Rb have similar chemical properties.
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THEORY
2024
Paper 3, Variant 3
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Questions Discovered
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