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प्रश्न
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
Is it a metal or a non-metal?
एका वाक्यात उत्तर
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उत्तर १
Since it belongs to group II, it has 2 valence electrons and hence it is a metal.
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उत्तर २
Barium is a metal.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Periodic Table, Periodic Properties and Variations of Properties - lntext Questions [पृष्ठ ११]
