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प्रश्न
The following questions refer to the Periodic Table.
Name the first and last element in period 2.
एका वाक्यात उत्तर
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उत्तर
First element in period 2 is Lithium and last element is Neon.
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पाठ 1: Periodic Properties and Variations of Properties: Physical and Chemical - Questions from ICSE Examinations [पृष्ठ २२]
