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प्रश्न
Identify the following:
An element in Period 1 which can be placed in both Group 1 and Group 17 of the Periodic Table.
एक शब्द/वाक्यांश उत्तर
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उत्तर
Hydrogen
Explanation:
Hydrogen has an electronic configuration of 1, which allows it to take e− and complete its duplet as halogen (Group 17), as well as donate 1 e− as alkali metals (Group 1).
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पाठ 1: Periodic Properties and Variations of Properties: Physical and Chemical - Questions from ICSE Examinations [पृष्ठ २७]
