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8.5. Noble gases
A subsection of Chemistry, 0620, through 8. The Periodic Table
Listing 10 of 24 questions
shows part of the Periodic Table. I II III IV V VI VII VIII Na Al N S K Ca Ba Zn Au H Br I Ar 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 78% of clean, dry air forms an ion with a charge of 3+ has an atom with only five occupied electron shells forms an ion that gives a light green colour in a flame test is used in food containers because of its resistance to corrosion is the metal with the lowest reactivity. Helium is a monatomic gas. State the meaning of the term monatomic. Explain in terms of electronic configuration why helium is unreactive.
0620_w24_qp_32
THEORY
2024
Paper 3, Variant 2
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Questions Discovered
24