Element families (alkali metals, alkaline earth metals, halogens, noble gases) Original Scenario-Based Download PDF
1 Chemistry practice questions on Element families (alkali metals, alkaline earth metals, halogens, noble gases). Questions built around original scenarios.
Questions
- 1.
A deep-space probe exploring the moon Thalassa catalogs three elemental specimens: Element X is a soft, lustrous solid stored under mineral oil that decomposes water vigorously to release hydrogen gas; Element Y is a reactive nonmetal existing as diatomic molecules that eagerly gains one electron to form stable anions; and Element Z is a chemically inert gas found exclusively as unbonded monoatomic atoms. Based on these defining properties, which elemental families do Elements X, Y, and Z belong to, respectively?