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Element families (alkali metals, alkaline earth metals, halogens, noble gases) Original Scenario-Based Practice

Chemistry · The Periodic Table · Chemistry · Organization of the Periodic Table

1 Chemistry practice questions on Element families (alkali metals, alkaline earth metals, halogens, noble gases). Questions built around original scenarios.

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  1. 1.

    During an expedition into an abandoned subterranean laboratory, an exploration droid uncovers four pressurized canisters labeled W, X, Y, and Z, each containing an element from a distinct main-group family. Chemical logs reveal that element W reacts vigorously with water to form a +1+1 cation, while element X is an inert monoatomic gas that does not participate in chemical bonding under standard conditions. Furthermore, element Y occurs as diatomic molecules that vigorously capture one electron from metals to form binary salts, and element Z is a lustrous metal that reacts with oxygen to form a basic oxide featuring +2+2 cations. Which choice correctly identifies the elemental family for each sample?

    • A) W: alkaline earth metal; X: noble gas; Y: halogen; Z: alkali metal
    • B) W: alkali metal; X: noble gas; Y: halogen; Z: alkaline earth metal
    • C) W: alkali metal; X: halogen; Y: noble gas; Z: alkaline earth metal
    • D) W: alkaline earth metal; X: halogen; Y: alkali metal; Z: noble gas

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