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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.
What is its valency?
एक पंक्ति में उत्तर
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उत्तर १
It needs to lose its 2 valence electrons to complete its octet configuration; therefore its valency is also 2.
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उत्तर २
Valency is +2
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Periodic Table, Periodic Properties and Variations of Properties - lntext Questions [पृष्ठ ११]
